An Israeli soldier pushes Palestinian Cabinet member Ziad Abu Ain (left) during a protest in the village of Turmus Aya near the West Bank city of Ramallah, on Wednesday. Abu Ain died shortly after the protest in which witnesses said Israeli troops fired tear gas at him and dozens of Palestinians marchers. Witnesses also said Abu Ain was beaten by an Israeli soldier. Majdi Mohammed/AP hide caption

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Pope Francis prays during a visit to the Western Wall, Judaism's holiest site, in Jerusalem's Old City, earlier this week. While in the Holy Land, the pontiff extended an invitation to the presidents of Israel and the Palestinian Authority to join a prayer meeting at the Vatican. Debbie Hill/UPI/Landov hide caption

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Salam Fayyad passes through an Israeli checkpoint in the West Bank town of Hebron in January. This week, he resigned from his post as prime minister of the Palestinian Authority. Hazem Bader/AFP/Getty Images hide caption

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Palestinian Authority head Mahmoud Abbas delivers a speech in Cairo on May 4, 2011 during a Palestinian unity ceremony. THAER GHANEM/AFP/Getty Images hide caption

itoggle caption THAER GHANEM/AFP/Getty Images