President Obama shakes hands July 27, 2012, with AIPAC chairman Lee Rosenberg in the Oval Office of the White House after signing the U.S.-Israel Enhanced Security Cooperation Act. Also present are Howard Friedman (left), former AIPAC chairman, and Rep. Howard Berman (second from right), California Democrat. (Associated Press)

Photo by: Susan Walsh

President Obama shakes hands July 27, 2012, with AIPAC chairman Lee Rosenberg in the Oval Office of the White House after signing the U.S.-Israel Enhanced Security Cooperation Act. Also present are Howard Friedman (left), former AIPAC chairman, and Rep. Howard Berman (second from right), California Democrat. (Associated Press)