RAMALLAH, WEST BANK - MAY 15: (ISRAEL OUT) Israeli soldiers fire tear gas during clashes with Palestinian protesters May 15, 2011 at Qalandiya checkpoint near Ramallah, West Bank. Today marks the ... more 
RAMALLAH, WEST BANK - MAY 15: (ISRAEL OUT) Israeli soldiers fire tear gas during clashes with Palestinian protesters May 15, 2011 at Qalandiya checkpoint near Ramallah, West Bank. Today marks the 'Nakba' or 'catastrophe' which befell Palestinians following Israel's establishment in 1948. (Photo by Uriel Sinai/Getty Images) less 
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Getty Images | Photo By Uriel Sinai / Getty Images
Sun, May 15, 2011 2:07 PM EDT