From the left : Israel's Prime Minister Benjamin Netanyahu, Mali's President Ibrahim Boubacar Keita, France's President, Germany's Chancellor Angela Merkel, EU President Donald Tusk, Palestinian President Mahmoud Abbas, Italian Prime Minister Matteo Renzi and Swiss President Simonetta Sommaruga march during a rally in Paris, France, Sunday, Jan. 11, 2015. A rally of defiance and sorrow, protected by an unparalleled level of security, on Sunday will honor the 17 victims of three days of bloodshed in Paris that left France on alert for more violence. (AP Photo/Philippe Wojazer, Pool)

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