Palestinian President Mahmoud Abbas at the U.N. on Monday (Sept. 19, 2011). Seth Wenig/AP hide caption

itoggle caption Seth Wenig/AP

Vice President Joe Biden and House Speaker John Boehner watch as Israeli Prime Minister Benjamin Netanyahu addresses lawmakers at the Capitol on Tuesday. Saul Loeb /AFP/Getty Images hide caption

itoggle caption Saul Loeb /AFP/Getty Images