WASHINGTON - US President Barack Obama, following talks with Jordan's King Abdullah, said on Tuesday it was "more vital than ever" to get Israel and the Palestinians back to negotiations toward a peace deal. But Obama, starting a week of intense Middle East diplomacy against the backdrop of popular unrest sweeping the Arab world, offered no new proposals for breaking the Israeli-Palestinian impasse after the failure of US-led peace efforts. The president plans to give a major policy speech on the Middle East on Thursday, meet Prime Minister Binyamin Netanyahu on Friday and address an influential pro-Israel lobbying group on...