Palestinians walk in the street a during cold winds and sand storms in the southern Gaza Strip town of Rafah on February 7, 2012.Photo by Abed Rahim Khatib / Flash 90

Palestinians walk in the street a during cold winds and sand storms in the southern Gaza Strip town of Rafah on February 7, 2012.Photo by Abed Rahim Khatib / Flash 90

Ambassador Daniel Shapiro celebrates the eve of Tu b'shvat, Israel's Arbor day, with a visit to Yemin Orde Youth Village, located in Nof HaCarmel, on the Carmel mountain range and near the Carmel Forest) to plant an olive tree as a symbol of renewal and growth and America's deep-rooted friendship with Israel. The visit took place shortly after the one year anniversary of the Carmel Forest Fire, December 2010, that nearly destroyed this Youth-at-Risk village. February 07, 2012. Photo by Matty Stern/US Embassy/FLASH90 ***US EMBASSY TEL AVIV HANDOUT EDITORIAL USE ONLY/NO SALES***

Ultra-Orthodox Jews of the Kaliv Hasidic dynasty celebrate the Jewish feast of 'Tu Bishvat' or Tree New Year as they sit with their rabbis around a long table filled with all kinds of fruits, in a ultra-Orthodox neighborhood in Jerusalem, Israel, 07 February 2012. Photo By Yonatan Sindel/Flash90

Ultra-Orthodox Jews of the Kaliv Hasidic dynasty celebrate the Jewish feast of 'Tu Bishvat' or Tree New Year as they sit with their rabbis around a long table filled with all kinds of fruits, in a ultra-Orthodox neighborhood in Jerusalem, Israel, 07 February 2012. Photo By Yonatan Sindel/Flash90

Ultra-Orthodox Jews of the Kaliv Hasidic dynasty celebrate the Jewish feast of 'Tu Bishvat' or Tree New Year as they sit with their rabbis around a long table filled with all kinds of fruits, in a ultra-Orthodox neighborhood in Jerusalem, Israel, 07 February 2012. Photo By Yonatan Sindel/Flash90

Ultra-Orthodox Jews of the Kaliv Hasidic dynasty celebrate the Jewish feast of 'Tu Bishvat' or Tree New Year as they sit with their rabbis around a long table filled with all kinds of fruits, in a ultra-Orthodox neighborhood in Jerusalem, Israel, 07 February 2012. Photo By Yonatan Sindel/Flash90

Rabbi Menachem Mendel Taub and Ultra-Orthodox Jews of the Kaliv Hasidic dynasty celebrate the Jewish feast of 'Tu Bishvat' or Tree New Year as they sit with their rabbis around a long table filled with all kinds of fruits, in a ultra-Orthodox neighborhood in Jerusalem, Israel, 07 February 2012. Photo By Yonatan Sindel/Flash90

Rabbi Menachem Mendel Taub and Ultra-Orthodox Jews of the Kaliv Hasidic dynasty celebrate the Jewish feast of 'Tu Bishvat' or Tree New Year as they sit with their rabbis around a long table filled with all kinds of fruits, in a ultra-Orthodox neighborhood in Jerusalem, Israel, 07 February 2012. Photo By Yonatan Sindel/Flash90

Mayor of Efrat Oded Revivi (L) and mukhtar of the Palestinian village George, Abu Taleb, together plant a tree in honour of the Jewish holiday of Tu B'Shvat, on the main road leading between the two communities. February 07, 2012. Photo by Gershon Elinson/FLASH90

Meretz MK Zahava Gal-On (r) hugs with Ilan Gilon after she won a sweeping victory in Meretz's leadership primary on Tuesday Feb 7 2012, gaining 61 percent of the vote in a race characterized by an extremely high turnout. Photo by Gideon Markowicz/Flash90 maarivout

Meretz MK Zahava Gal-On won a sweeping victory in Meretz's leadership primary on Tuesday Feb 7 2012, gaining 61 percent of the vote in a race characterized by an extremely high turnout. Photo by Gideon Markowicz/ Flash90 maarivout

Families of Palestinian prisoners, held in Israeli jails, hold their relatives pictures during a protest in front of the International Committee of the Red Cross (ICRC) offices in the West Bank town of Ramallah, 07 February 2012. The protest organized by the Palestinian prisoners committee, in solidarity with Palestinian administrative detainee, Khader Adnan, one of the West Bank leaders of the militant Islamic Jihad movements. Khader is on hunger strike since 52 days, demanding an end to his isolation in prison. photo by:Issam Rimawi flash90

Nathan Eshel, former bureau chief of Israel's Prime Minister Netanyahu's arrives for questioning at the Civil Service Commission in Jerusalem. Feb 07, 2012. A female worker at the Prime Minister’s Office was allegedly harassed by Eshel. the worker complained that Nathan Eshel, Chief of Staff at the Prime Minister’s Office and a close associate of Prime Minister Netanyahu, harassed her and intruded on her privacy. Photo by Kobi Gideon / Flash90.

Nathan Eshel, former bureau chief of Israel's Prime Minister Netanyahu's arrives for questioning at the Civil Service Commission in Jerusalem. Feb 07, 2012. A female worker at the Prime Minister’s Office was allegedly harassed by Eshel. the worker complained that Nathan Eshel, Chief of Staff at the Prime Minister’s Office and a close associate of Prime Minister Netanyahu, harassed her and intruded on her privacy. Photo by Kobi Gideon / Flash90.

Nathan Eshel, former bureau chief of Israel's Prime Minister Netanyahu's arrives for questioning at the Civil Service Commission in Jerusalem. Feb 07, 2012. A female worker at the Prime Minister’s Office was allegedly harassed by Eshel. the worker complained that Nathan Eshel, Chief of Staff at the Prime Minister’s Office and a close associate of Prime Minister Netanyahu, harassed her and intruded on her privacy. Photo by Kobi Gideon / Flash90.

Nathan Eshel, former bureau chief of Israel's Prime Minister Netanyahu's arrives for questioning at the Civil Service Commission in Jerusalem. Feb 07, 2012. A female worker at the Prime Minister’s Office was allegedly harassed by Eshel. the worker complained that Nathan Eshel, Chief of Staff at the Prime Minister’s Office and a close associate of Prime Minister Netanyahu, harassed her and intruded on her privacy. Photo by Kobi Gideon / Flash90.