Palestinians gather around candles lit ahead of Nakba, in the West Bank city of Ramallah May 14, 2012. On May 15 Palestinians will mark Nakba, or catastrophe, of Israel’s founding in a 1948 war, when hundreds of thousands of their brethren fled or were forced to leave their homes. (REUTERS/Ammar Awad)

Palestinians gather around candles lit ahead of Nakba, in the West Bank city of Ramallah May 14, 2012. On May 15 Palestinians will mark Nakba, or catastrophe, of Israel’s founding in a 1948 war, when hundreds of thousands of their brethren fled or were forced to leave their homes. (REUTERS/Ammar Awad)