FILE - In this Sept. 11, 2001 file photo, as seen from the New Jersey Turnpike near Kearny, N.J., smoke billows from the twin towers of the World Trade Center in New York after airplanes crashed into both towers. Saudi Arabia and its allies are warning that legislation allowing the kingdom to be sued for the 9/11 attacks will have negative repercussions. The kingdom maintains an arsenal of tools to retaliate with, including curtailing official contacts, pulling billions of dollars from the U.S. economy, and enlisting its lockstep Gulf allies to scale back counterterrorism cooperation, investments and U.S. access to important regional air bases. (AP Photo/Gene Boyars, File)

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