TEL AVIV, ISRAEL - SEPTEMBER 13: This handout file photo provided by the Israeli Ministry of Defence (MOD) shows Israeli Defence Minister Ehud Barak (L) welcoming U.S. Special Envoy George Mitchell to their meeting on September 13, 2009 in Tel Aviv. Mitchell said that efforts were still needed to bridge an Israeli-American dispute over settler construction in the West Bank. Getty Images logo Getty Images 29 months ago

TEL AVIV, ISRAEL - SEPTEMBER 13: This handout file photo provided by the Israeli Ministry of Defence (MOD) shows Israeli Defence Minister Ehud Barak (L) welcoming U.S. Special Envoy George Mitchell to their meeting on September 13, 2009 in Tel Aviv. Mitchell said that efforts were still needed to bridge an Israeli-American dispute over settler construction in the West Bank.