Los Angeles Police work to free 12 protestors who chained themselves together at the intersection of Wilshire and Highland in Los Angeles on Thursday, July 29, 2010 in protest of Arizona immigration law SB 1070. (AP Photo/Adam Lau)

Los Angeles Police arrest one of 12 protestors who chained themselves together at the intersection of Wilshire and Highland in Los Angeles on Thursday, July 29, 2010 in protest of Arizona immigration law SB 1070. (AP Photo/Adam Lau)

Dominic Chavez, 1, accompanies his mother, Monica Chavez and other protestors who rallied at the intersection of Wilshire and Highland in Los Angeles on Thursday, July 29, 2010, in of protest Arizona immigration law SB 1070. (AP Photo/Adam Lau)

A protestor, who chained herself together with others at the intersection of Wilshire and Highland in Los Angeles on Thursday, July 29, 2010, in protest Arizona immigration law SB 1070, waits to be freed by Los Angeles police. (AP Photo/Adam Lau)

Los Angeles police watch as protestors rally at the intersection of Wilshire and Highland in Los Angeles on Thursday, July 29, 2010, to protest Arizona immigration law SB 1070. (AP Photo/Adam Lau)

Los Angeles Police arrest one of 12 protestors who chained themselves together at the intersection of Wilshire and Highland in Los Angeles on Thursday, July 29, 2010 to protest Arizona immigration law SB 1070. (AP Photo/Adam Lau)

Two protestors who declined to give their names chained themselves together with others at the intersection of Wilshire and Highland in Los Angeles on Thursday, July 29, 2010 in protest Arizona immigration law SB 1070. (AP Photo/Adam Lau)

Protestors chain themselves together at the intersection of Wilshire and Highland in Los Angeles on Thursday, July 29, 2010 in protest of Arizona's immigration law SB 1070. (AP Photo/Adam Lau)

Los Angeles Police arrest one of 12 protestors who chained themselves together at the intersection of Wilshire and Highland in Los Angeles on Thursday, July 29, 2010 to protest Arizona immigration law SB 1070. (AP Photo/Adam Lau)

Los Angeles Police work to free 12 protestors who chained themselves together at the intersection of Wilshire and Highland in Los Angeles on Thursday, July 29, 2010 in protest of Arizona immigration law SB 1070. (AP Photo/Adam Lau)

President Lon Nol of Cambodia, left, and his wife in Jakarta at a meeting with Adam Malik, Indonesian Foreign Minister, second from right on Tuesday, April 1, 1975. Others shown not identified. Lon Nol left Cambodia on Tuesday trying to open the way for talks to end the war there. He was scheduled to spend 10 days relaxing on the Indonesian Island of Bali and then fly to Hawaii for medical treatment. (AP Photo)

Los Angeles workers from 32 different unions joined local faith and community leaders at Dodger Stadium in Los Angeles on Thursday, July 29, 2010, boarding 11 buses bound for Arizona to protest Arizona immigration law SB 1070. A federal judge in Phoenix on Wednesday issued a temporary injunction delaying the most contentious provisions, including a requirement that immigrants carry their papers and that police check a person's immigration status while enforcing other laws. (AP Photo/Adam Lau)

Los Angeles workers from 32 different unions joined local faith and community leaders at Dodger Stadium in Los Angeles on Thursday, July 29, 2010, boarding 11 buses bound for Arizona to protest Arizona immigration law SB 1070. A federal judge in Phoenix on Wednesday issued a temporary injunction delaying the most contentious provisions, including a requirement that immigrants carry their papers and that police check a person's immigration status while enforcing other laws. (AP Photo/Adam Lau)

Maria Zamora, left, and a man who declined to be identified, rally with Los Angeles workers from 32 different unions who joined local faith and community leaders at Dodger Stadium in Los Angeles to board 11 buses bound for Arizona to protest the state's immigration law SB 1070 on Thursday, July 29, 2010,. (AP Photo/Adam Lau)

A view of the new Queen Elizabeth Hospital and Royal Centre for Defence Medicine in Birmingham, England, Thursday July 29, 2010.(AP Photo/Bruce Adams, pool)

A view of the new Queen Elizabeth Hospital and Royal Centre for Defence Medicine in Birmingham, England, Thursday July 29, 2010.(AP Photo/Bruce Adams, pool)

Royals visit hospital.The Duchess of Cornwall during a visit to the New Queen Elizabeth Hospital and The Royal Centre for Defence Medicine, Queen Elizabeth Hospital Birmingham, talks with families of the injured. Picture date: Thursday July 29, 2010. Photo credit should read: Bruce Adams/Daily Mail/PA Wire URN:9243309 (Press Association via AP Images)

Royals visit hospital.The Prince of Wales during a visit to the New Queen Elizabeth Hospital and The Royal Centre for Defence Medicine, Queen Elizabeth Hospital Birmingham, where he met with, military and civilian medical staff, and families of the injured. Picture date: Thursday July 29, 2010. Photo credit should read: Bruce Adams/Daily Mail/PA Wire URN:9243290 (Press Association via AP Images)

Royals visit hospital.A general view of the New Queen Elizabeth Hospital and The Royal Centre for Defence Medicine, Queen Elizabeth Hospital Birmingham, where she met with, military and civilian medical staff, and families of the injured. Picture date: Thursday July 29, 2010. Photo credit should read: Bruce Adams/Daily Mail/PA Wire URN:9243317 (Press Association via AP Images)

Royals visit hospital.The Prince of Wales (centre) during a visit to the New Queen Elizabeth Hospital and The Royal Centre for Defence Medicine, Queen Elizabeth Hospital Birmingham, where he met with, military and civilian medical staff, and families of the injured. Picture date: Thursday July 29, 2010. Photo credit should read: Bruce Adams/Daily Mail/PA Wire URN:9243299 (Press Association via AP Images)

Royals visit hospital.The Duchess of Cornwall during a visit to the New Queen Elizabeth Hospital and The Royal Centre for Defence Medicine, Queen Elizabeth Hospital Birmingham, where she met with, military and civilian medical staff, and families of the injured. Picture date: Thursday July 29, 2010. Photo credit should read: Bruce Adams/Daily Mail/PA Wire URN:9243308 (Press Association via AP Images)

Royals visit hospital.A general view of the New Queen Elizabeth Hospital and The Royal Centre for Defence Medicine, Queen Elizabeth Hospital Birmingham, where she met with, military and civilian medical staff, and families of the injured. Picture date: Thursday July 29, 2010. Photo credit should read: Bruce Adams/Daily Mail/PA Wire URN:9243338 (Press Association via AP Images)

Royals visit hospital.The Duchess of Cornwall during a visit to the New Queen Elizabeth Hospital and The Royal Centre for Defence Medicine, Queen Elizabeth Hospital Birmingham, where she met with, military and civilian medical staff, and families of the injured. Picture date: Thursday July 29, 2010. Photo credit should read: Bruce Adams/Daily Mail/PA Wire URN:9243327 (Press Association via AP Images)

Royals visit hospital.The Prince of Wales (front) during a visit to the New Queen Elizabeth Hospital and The Royal Centre for Defence Medicine, Queen Elizabeth Hospital Birmingham, where he met with, military and civilian medical staff, and families of the injured. Picture date: Thursday July 29, 2010. Photo credit should read: Bruce Adams/Daily Mail/PA Wire URN:9243307 (Press Association via AP Images)

Royals visit hospital.The Duchess of Cornwall is greeted as she arrives for a visit to the New Queen Elizabeth Hospital and The Royal Centre for Defence Medicine, Queen Elizabeth Hospital Birmingham, where she met with, military and civilian medical staff, and families of the injured. Picture date: Thursday July 29, 2010. Photo credit should read: Bruce Adams/Daily Mail/PA Wire URN:9243293 (Press Association via AP Images)

Royals visit hospital.The Prince of Wales talks with staff during a visit to the New Queen Elizabeth Hospital and The Royal Centre for Defence Medicine, Queen Elizabeth Hospital Birmingham, where he met with, military and civilian medical staff, and families of the injured. Picture date: Thursday July 29, 2010. Photo credit should read: Bruce Adams/Daily Mail/PA Wire URN:9243342 (Press Association via AP Images)

Royals visit hospital.The Duchess of Cornwall during a visit to the New Queen Elizabeth Hospital and The Royal Centre for Defence Medicine, Queen Elizabeth Hospital Birmingham, where she met with, military and civilian medical staff, and families of the injured. Picture date: Thursday July 29, 2010. Photo credit should read: Bruce Adams/Daily Mail/PA Wire URN:9243306 (Press Association via AP Images)

Royals visit hospital.The Prince of Wales during a visit to the New Queen Elizabeth Hospital and The Royal Centre for Defence Medicine, Queen Elizabeth Hospital Birmingham, where he met with, military and civilian medical staff, and families of the injured. Picture date: Thursday July 29, 2010. Photo credit should read: Bruce Adams/Daily Mail/PA Wire URN:9243273 (Press Association via AP Images)

Royals visit hospital.The Prince of Wales (centre) during a visit to the New Queen Elizabeth Hospital and The Royal Centre for Defence Medicine, Queen Elizabeth Hospital Birmingham, where he met with, military and civilian medical staff, and families of the injured. Picture date: Thursday July 29, 2010. Photo credit should read: Bruce Adams/Daily Mail/PA Wire URN:9243305 (Press Association via AP Images)

Royals visit hospital.The Prince of Wales during a visit to the New Queen Elizabeth Hospital and The Royal Centre for Defence Medicine, Queen Elizabeth Hospital Birmingham, where he met with, military and civilian medical staff, and families of the injured. Picture date: Thursday July 29, 2010. Photo credit should read: Bruce Adams/Daily Mail/PA Wire URN:9243272 (Press Association via AP Images)

Royals visit hospital.The Duchess of Cornwall during a visit to the New Queen Elizabeth Hospital and The Royal Centre for Defence Medicine, Queen Elizabeth Hospital Birmingham, talks with families of the injured. Picture date: Thursday July 29, 2010. Photo credit should read: Bruce Adams/Daily Mail/PA Wire URN:9243343 (Press Association via AP Images)

Royals visit hospital.The Duchess of Cornwall during a visit to the New Queen Elizabeth Hospital and The Royal Centre for Defence Medicine, Queen Elizabeth Hospital Birmingham, where she met with, military and civilian medical staff, and families of the injured. Picture date: Thursday July 29, 2010. Photo credit should read: Bruce Adams/Daily Mail/PA Wire URN:9243298 (Press Association via AP Images)

Royals visit hospital.The Duchess of Cornwall during a visit to the New Queen Elizabeth Hospital and The Royal Centre for Defence Medicine, Queen Elizabeth Hospital Birmingham, where she met with, military and civilian medical staff, and families of the injured. Picture date: Thursday July 29, 2010. Photo credit should read: Bruce Adams/Daily Mail/PA Wire URN:9243304 (Press Association via AP Images)

Royals visit hospital.The Prince of Wales during a visit to the New Queen Elizabeth Hospital and The Royal Centre for Defence Medicine, Queen Elizabeth Hospital Birmingham, where he met with, military and civilian medical staff, and families of the injured. Picture date: Thursday July 29, 2010. Photo credit should read: Bruce Adams/Daily Mail/PA Wire URN:9243301 (Press Association via AP Images)

Royals visit hospital.The Duchess of Cornwall during a visit to the New Queen Elizabeth Hospital and The Royal Centre for Defence Medicine, Queen Elizabeth Hospital Birmingham, where she met with, military and civilian medical staff, and families of the injured. Picture date: Thursday July 29, 2010. Photo credit should read: Bruce Adams/Daily Mail/PA Wire URN:9243322 (Press Association via AP Images)

Royals visit hospital.The Prince of Wales during a visit to the New Queen Elizabeth Hospital and The Royal Centre for Defence Medicine, Queen Elizabeth Hospital Birmingham, where he met with, military and civilian medical staff, and families of the injured. Picture date: Thursday July 29, 2010. Photo credit should read: Bruce Adams/Daily Mail/PA Wire URN:9243332 (Press Association via AP Images)

Royals visit hospital.The Duchess of Cornwall during a visit to the New Queen Elizabeth Hospital and The Royal Centre for Defence Medicine, Queen Elizabeth Hospital Birmingham, where she met with, military and civilian medical staff, and families of the injured. Picture date: Thursday July 29, 2010. Photo credit should read: Bruce Adams/Daily Mail/PA Wire URN:9243311 (Press Association via AP Images)

Royals visit hospital.The Duchess of Cornwall during a visit to the New Queen Elizabeth Hospital and The Royal Centre for Defence Medicine, Queen Elizabeth Hospital Birmingham, where she met with, military and civilian medical staff, and families of the injured. Picture date: Thursday July 29, 2010. Photo credit should read: Bruce Adams/Daily Mail/PA Wire URN:9243284 (Press Association via AP Images)

Royals visit hospital.The Duchess of Cornwall during a visit to the New Queen Elizabeth Hospital and The Royal Centre for Defence Medicine, Queen Elizabeth Hospital Birmingham, where she met with, military and civilian medical staff, and families of the injured. Picture date: Thursday July 29, 2010. Photo credit should read: Bruce Adams/Daily Mail/PA Wire URN:9243287 (Press Association via AP Images)

Royals visit hospital.The Duchess of Cornwall during a visit to the New Queen Elizabeth Hospital and The Royal Centre for Defence Medicine, Queen Elizabeth Hospital Birmingham, where she met with, military and civilian medical staff, and families of the injured. Picture date: Thursday July 29, 2010. Photo credit should read: Bruce Adams/Daily Mail/PA Wire URN:9243271 (Press Association via AP Images)

Royals visit hospital.The Duchess of Cornwall is greeted as she arrives for a visit to the New Queen Elizabeth Hospital and The Royal Centre for Defence Medicine, Queen Elizabeth Hospital Birmingham, where she met with, military and civilian medical staff, and families of the injured. Picture date: Thursday July 29, 2010. Photo credit should read: Bruce Adams/Daily Mail/PA Wire URN:9243296 (Press Association via AP Images)

Royals visit hospital.The Duchess of Cornwall during a visit to the New Queen Elizabeth Hospital and The Royal Centre for Defence Medicine, Queen Elizabeth Hospital Birmingham, talks to families of the injured. Picture date: Thursday July 29, 2010. Photo credit should read: Bruce Adams/Daily Mail/PA Wire URN:9243280 (Press Association via AP Images)

Los Angeles workers from 32 different unions joined local faith and community leaders at Dodger Stadium in Los Angeles on Thursday, July 29, 2010, boarding 11 buses bound for Arizona to protest Arizona immigration law SB 1070. A federal judge in Phoenix on Wednesday issued a temporary injunction delaying the most contentious provisions, including a requirement that immigrants carry their papers and that police check a person's immigration status while enforcing other laws. (AP Photo/Adam Lau)

Explorers to document lives of people living on fault lines.Tamsin Davis (left), Serena Davis and Adam Whitaker of Fault Line Living outside the Royal Geographical Society (with IBG) in London after being presented with the Royal Geographical Society (with IBG) and Land Rover 2010 ÔGo Beyond' Bursary, which includes £10,000 and a Land Rover Defender 110, to travel 15,000 miles from Iceland to Iran over a 12 week period to gain a detailed understanding of the issues faced by communities living on fault lines. PRESS ASOCIATION Photo. Picture date: Thursday July 29, 2010. Starting in Iceland the team will experience up to 78 earthquakes a day, after which they will travel to Italy, Greece, Turkey and finally Iran. Along the way they will be working with school students, seismologists and citizens of each country to investigate how different communities adapt to the challenges of fault line living. Photo credit should read: Anthony Upton/PA Wire URN:9242837 (Press Association via AP Images)

Explorers to document lives of people living on fault lines.Tamsin Davis (top left), Serena Davis (top right) and Adam Whitaker of Fault Line Living outside the Royal Geographical Society (with IBG) in London after being presented with the Royal Geographical Society (with IBG) and Land Rover 2010 ÔGo Beyond' Bursary, which includes £10,000 and a Land Rover Defender 110, to travel 15,000 miles from Iceland to Iran over a 12 week period to gain a detailed understanding of the issues faced by communities living on fault lines. PRESS ASOCIATION Photo. Picture date: Thursday July 29, 2010. Starting in Iceland the team will experience up to 78 earthquakes a day, after which they will travel to Italy, Greece, Turkey and finally Iran. Along the way they will be working with school students, seismologists and citizens of each country to investigate how different communities adapt to the challenges of fault line living. Photo credit should read: Anthony Upton/PA Wire URN:9242836 (Press Association via AP Images)

Explorers to document lives of people living on fault lines.Tamsin Davis (left), Serena Davis and Adam Whitaker of Fault Line Living outside the Royal Geographical Society (with IBG) in London after being presented with the Royal Geographical Society (with IBG) and Land Rover 2010 ÔGo BeyondÕ Bursary, which includes £10,000 and a Land Rover Defender 110, to travel 15,000 miles from Iceland to Iran over a 12 week period to gain a detailed understanding of the issues faced by communities living on fault lines. PRESS ASOCIATION Photo. Picture date: Thursday July 29, 2010. Starting in Iceland the team will experience up to 78 earthquakes a day, after which they will travel to Italy, Greece, Turkey and finally Iran. Along the way they will be working with school students, seismologists and citizens of each country to investigate how different communities adapt to the challenges of fault line living. Photo credit should read: Anthony Upton/PA URN:9242832 (Press Association via AP Images)

Explorers to document lives of people living on fault lines.Tamsin Davis (top left), Serena Davis (top right) and Adam Whitaker of Fault Line Living outside the Royal Geographical Society (with IBG) in London after being presented with the Royal Geographical Society (with IBG) and Land Rover 2010 ÔGo Beyond' Bursary, which includes £10,000 and a Land Rover Defender 110, to travel 15,000 miles from Iceland to Iran over a 12 week period to gain a detailed understanding of the issues faced by communities living on fault lines. PRESS ASOCIATION Photo. Picture date: Thursday July 29, 2010. Starting in Iceland the team will experience up to 78 earthquakes a day, after which they will travel to Italy, Greece, Turkey and finally Iran. Along the way they will be working with school students, seismologists and citizens of each country to investigate how different communities adapt to the challenges of fault line living. Photo credit should read: Anthony Upton/PA Wire URN:9242838 (Press Association via AP Images)

Two women who declined to be identified join workers from 32 different unions and local faith and community leaders at Dodger Stadium in Los Angeles on Thursday, July 29, 2010, boarding 11 buses bound for Arizona to protest Arizona immigration law SB 1070. A federal judge in Phoenix on Wednesday issued a temporary injunction delaying the most contentious provisions, including a requirement that immigrants carry their papers and that police check a person's immigration status while enforcing other laws. (AP Photo/Adam Lau)

Catholic priest Giovanni Bizzotto, Jewish rabbi Jonathan Klein, and Muslim cleric Shakeel Syed, left to right, give a blessing over Los Angeles workers from 32 different unions who rallied at Dodger Stadium in Los Angeles before boarding 11 buses bound for Arizona to protest the state's immigration law SB 1070, on Thursday, July 29, 2010. (AP Photo/Adam Lau)

California Governor Arnold Schwarzenegger, sits on a motorcycle during a tour of the new motorcycle exhibit at the Ronald Reagan Presidential Library in Simi Valley, Calif. on Wednesday, July 28, 2010. (AP Photo/Adam Lau)

Gov. Arnold Schwarzenegger speaks at a ceremonial signing for California Senate Bill 944 by California Sen. George Runner and Assembly Bill 1911 by California Assembly Republican Leader Martin Garrick honoring President Ronald Reagan for his life's accomplishments and contributions to California on Wednesday, July 28, 2010, at the Ronald Reagan Presidential Library in Simi Valley, Calif. (AP Photo/Adam Lau)

Gov. Arnold Schwarzenegger, right, hands Nancy Reagan a ceremonial pen while California State Sen. Dennis Hollingsworth, background, looks on after the signing of California Senate Bill 944 and Assembly Bill 1911 honoring President Ronald Reagan for his life's accomplishments and contributions to California on Wednesday, July 28, 2010, at the Ronald Reagan Presidential Library in Simi Valley, Calif. (AP Photo/Adam Lau)

California State sEN. Dennis Hollingsworth, top left, Nancy Reagan, lower left, and California Assembly Republican Leader Martin Garrick, right, watch California Governor Arnold Schwarzenegger, center, sign California Senate Bill 944 and Assembly Bill 1911 honoring President Ronald Reagan for his life's accomplishments on Wednesday, July 28, 2010, at the Ronald Reagan Presidential Library in Simi Valley, Calif. (AP Photo/Adam Lau)

California Governor Arnold Schwarzenegger, left, poses for photographers during a tour of a motorcycle exhibit at the Ronald Reagan Presidential Library in Simi Valley, Calif. on Wednesday, July 28, 2010. (AP Photo/Adam Lau)

Nancy Reagan, left, is escorted by California Governor Arnold Schwarzenegger after the ceremonial signing of California Senate Bill 944 and Assembly Bill 1911 honoring President Ronald Reagan for his life's accomplishments and contributions to California on Wednesday, July 28, 2010, at the Ronald Reagan Presidential Library in Simi Valley, Calif. (AP Photo/Adam Lau)

California Governor Arnold Schwarzenegger, left, poses for photographers during a tour of a motorcycle exhibit at the Ronald Reagan Presidential Library in Simi Valley, Calif. on Wednesday, July 28, 2010. (AP Photo/Adam Lau)

California Governor Arnold Schwarzenegger, left, with boots emblazoned with the seal of the State of California, sits next to Nancy Reagan at a ceremonial bill signing for Senate Bill 944 by California Senator George Runner and Assembly Bill 1911 by California Assembly Republican Leader Martin Garrick honoring President Ronald Reagan for his life's accomplishments and contributions to California on Wednesday, July 28, 2010, at the Ronald Reagan Presidential Library in Simi Valley, Calif. (AP Photo/Adam Lau)

Nancy Reagan, left, is escorted by California Governor Arnold Schwarzenegger to a ceremonial bill signing for Senate Bill 944 by California Senator George Runner and Assembly Bill 1911 by California Assembly Republican Leader Martin Garrick honoring President Ronald Reagan for his life's accomplishments and contributions to California on Wednesday, July 28, 2010, at the Ronald Reagan Presidential Library in Simi Valley, Calif. (AP Photo/Adam Lau)

California Governor Arnold Schwarzenegger, left, and Nancy Reagan share a moment at a ceremonial bill signing for Senate Bill 944 by California Senator George Runner and Assembly Bill 1911 by California Assembly Republican Leader Martin Garrick honoring President Ronald Reagan for his life's accomplishments and contributions to California on Wednesday, July 28, 2010, at the Ronald Reagan Presidential Library in Simi Valley, Calif. (AP Photo/Adam Lau)