Pope Benedict XVI in Israel

Nuns attend the Mass celebrated by Pope Benedict XVI on Mt. Precipice, just outside the northern Arab-Israeli city of Nazareth.   (Daniel Bar-On / AFP/Getty Images)

Pope Benedict XVI visits Al Aqsa Mosque in the hilltop compound in Jerusalem known to Jews as Temple Mount and to Muslims as Noble Sanctuary. The pope urged Palestinians and Israelis to embark upon “a sincere dialogue aimed at building a world of justice and peace.”  (Atta Awissat / Associated Press)

Pope Benedict XVI visits the hilltop compound in Jerusalem claimed by Israelis and Palestinians. The compound is known to Jews as Temple Mount and to Muslims as Noble Sanctuary.  (Ziv Koren / Getty Images)

The pope greets nuns during a visit to the Latin Patriarchate in Jerusalem.  (Liron Almog / Getty Images)

The pope blesses Christians at the Latin Patriarchate’s church in Jerusalem’s Old City.  (Brian Hendler / AFP/Getty Images)

Christian youths make their way toward Mass, being held at Kidron Valley in Jerusalem’s Old City. Fouad Twal, the Latin patriarch of Jerusalem, attended the Mass given by the pope in Kidron Valley.  (Tara Todras-Whitehill / Associated Press)

Pope Benedict XVI is greeted by Israeli President Shimon Peres after arriving at Ben Gurion International Airport in Tel Aviv.  (Amos Ben Gershom / Israeli Governmental Press Office via Getty Images)

Pope Benedict XVI is accompanied by Israeli Prime Minister Benjamin Netanyahu, left, and President Shimon Peres after arriving at Ben Gurion International Airport in Tel Aviv. In remarks after touching down, the pope said, “The hopes of countless men, women and children for a more secure and stable future depend on the outcome of negotiations for peace between Israelis and Palestinians.”   (Carsten Koall / Getty Images)

Pope Benedict XVI dons earphones for a ride on an Israeli helicopter from Tel Aviv to Jerusalem.  (Avi Ohayon / Israeli Government Press Office via AFP / Getty Images)

A poster of Pope Benedict XVI provides a worthy photo opportunity outside the Church of the Nativity, traditionally believed by many to be the birthplace of Jesus Christ, in the West Bank city of Bethlehem.  (Nasser Shiyoukhi / Associated Press)

Israeli President Shimon Peres presents Pope Benedict XVI with an ear of a new hybrid strain of wheat developed by Israeli scientists and named “Benedictus XVI” in honor of the pontiff’s visit.   (Avi Ohayon / Israeli Governmental Press Office via Getty Images)

Pope Benedict XVI speaks during the welcoming ceremony at the presidential residence in Jerusalem.  (Lior Mizrahi / Getty Images)

Palestinian security forces drive past a poster of Pope Benedict XVI near the Church of the Nativity in the West Bank town of Bethlehem.  (Abed Al Hashlamoun / EPA)

A Palestinian boy writes a welcome message to Pope Benedict XVI on a section of Israel’s separation barrier next to the Aida refugee camp in the West Bank town of Bethlehem.  (Abed Al Hashlamoun / EPA)

Israeli security personnel secure the area outside the papal nuncio’s residence, where Pope Benedict XVI is expected to stay in East Jerusalem.   (Ahed Izhiman / AFP/Getty Images)

An Israeli activist also has a message for Pope Benedict XVI during a demonstration in central Jerusalem. Benedict was in Israel on the latest leg of a Holy Land pilgrimage that began in Jordan and will also take the pontiff to the occupied West Bank.   (Ahmad Gharabli / AFP/Getty Images)

Pope Benedict XVI arrives at the Yad Vashem Holocaust Memorial’s Hall of Remembrance in Jerusalem.   (Uriel Sinai / Getty Images)

Pope Benedict XVI takes part in a ceremony in the Hall of Remembrance at the Yad Vashem Holocaust Memorial in Jerusalem. Speaking of the extermination of millions of Jews at the hands of the Nazis during World War II, Benedict said he would “pray that humanity will never again witness a crime of such magnitude.”   (Sebastian Scheiner / Associated Press)

Pope Benedict XVI prays after laying a wreath in the Hall of Remembrances at the Yad Vashem Holocaust Memorial in Jerusalem.   (Jim Hollander / EPA)