U.S. President Barack Obama (L) walks with Chief of Staff Jacob Lew as they depart for the American Israel Public Affairs Committee (AIPAC) annual policy conference in Washington

 
U.S. President Barack Obama (L) walks with Chief of Staff Jacob Lew as they depart for the American Israel Public Affairs Committee (AIPAC) annual policy conference in Washington
U.S. President Barack Obama (L) walks with Chief of Staff Jacob Lew as they depart for the American Israel Public Affairs Committee (AIPAC) annual policy conference in Washington March 4, 2012. REUTERS/Jonathan Ernst (UNITED STATES - Tags: POLITICS)