WASHINGTON, DC - MARCH 04:  U.S. President Barack Obama addresses the American Israel Public Affairs Committee's annual policy conference at the Washington Convention Center March 4, 2012 in Washington, DC. On the heels of his AIPAC address, Obama will meet with Israel's Prime Minister Benjamin Netanyahu at the White House Monday to discuss Iran and other issues.With more than 100,000 members, AIPAC is perhaps the most prominent organizatoins lobbying the United States government on behalf of Israel.  (Photo by Chip Somodevilla/Getty Images)