Israel's Prime Minister Benjamin Netanyahu gestures while addresses a joint meeting of Congress on Capitol Hill in Washington, Tuesday, May 24, 2011. House Speaker House John Boehner of Ohio, right, and Vice President Joe Biden listen behind. (AP Photo/Susan Walsh)

Photo by: Susan Walsh

Israel's Prime Minister Benjamin Netanyahu gestures while addresses a joint meeting of Congress on Capitol Hill in Washington, Tuesday, May 24, 2011. House Speaker House John Boehner of Ohio, right, and Vice President Joe Biden listen behind. (AP Photo/Susan Walsh)