Palestinian children play outside a tent which was erected after their house was destroyed during Israel's three-week offensive in 2008 to 2009, in Beit Lahiya in the northern Gaza Strip January 18, 2011. REUTERS/Mohammed Salem (GAZA - Tags: POLITICS BUSINESS CONSTRUCTION CIVIL UNREST)

Christian Orthodox pilgrims attend a traditional Epiphany ceremony, at the baptismal site of Qasr el Yahud, the spot where John the Baptist is said to have baptized Jesus, near the West Bank town of Jericho, Tuesday, Jan. 18, 2011. (AP Photo/Oded Balilty)

Greek Orthodox Patriarch of Jerusalem Theofilos III leads the procession to the baptismal site of Qasr el Yahud, the spot where John the Baptist is said to have baptized Jesus, near the West Bank town of Jericho, Tuesday, Jan. 18, 2011. (AP Photo/Oded Balilty)

Christian Orthodox pilgrims arrive to a traditional Epiphany baptism ceremony, at Qasr el Yahud, the spot where John the Baptist is said to have baptized Jesus, near the West Bank town of Jericho, Tuesday, Jan. 18, 2011. Just months before the official opening of one of Christianity's holiest sites to visitors, the area remains surrounded by thousands of land mines. Israel says Qasr el-Yahud will be safe, but advocacy groups warn that crowds of tourists could be in danger. (AP Photo/Oded Balilty)

A Christian Orthodox pilgrim stands on the Jordanian bank of the Jordan river during a traditional Epiphany baptism ceremony, at the baptismal site of Qasr el Yahud, the spot where John the Baptist is said to have baptized Jesus, near the West Bank town of Jericho, Tuesday, Jan. 18, 2011. (AP Photo/Oded Balilty)

Palestinian President Mahmoud Abbas, left, and Russian President Dmitry Medvedev, second right, attend a welcoming ceremony in the West Bank town of Jericho, Tuesday, Jan. 18, 2011. Medvedev arrived in the West Bank on Tuesday for a visit seized by the Palestinians as an opportunity to showcase their progress toward building an independent state. (AP Photo/Nasser Shiyoukhi)

Palestinian President Mahmoud Abbas, center left, and Russian President Dimitry Medvedev, center right, visit at a park and museum complex in the ancient town of Jericho Tuesday, Jan. 18, 2011. The complex was a Russian gift to Palestinian people and Jericho residents for the 10,000th anniversary of the city. (AP Photo/Abbas Momani, Pool) .

Palestinian Authority President Mahmud Abbas (R) shakes hands with Russian President Dmitry Medvedev following their joint press conference in the West Bank town of Jericho. Medvedev reaffirmed on Tuesday Moscow's support for an independent Palestinian state, and said there would be no peace progress without a move on settlements. (AFP/Jack Guez)

The Palestinian flag flies from the building housing the General Delegation of the Palestine Liberation Organization (PLO) in Washington. The Palestinian diplomatic mission in Washington hoisted its national flag for the first time, saying it symbolized its struggle for independence. (AFP/Nicholas Kamm)