RAMALLAH, West Bank — Senior Palestinian officials say that negotiations with Israel have become pointless after Israel's prime minister rejected President Barack Obama's call to base Mideast border talks on the pre-1967 war lines. [Snip] ...A bid to become a U.N. member requires approval not just from the General Assembly, where the Palestinians might win the needed majority, but also from the U.N. Security Council, where the U.S. might veto such a step. [Snip] Shaath noted that Obama didn't threaten a veto.