Delegates listen to remarks by U.S. Senator Ben Cardin (D-MD) and Senator Lindsey Graham (R-SC) (neither pictured) as they address the American Israel Public Affairs Committee (AIPAC) policy conference in Washington, March 1, 2015. Israeli Prime Benjamin Netanyahu has come under almost unprecedented criticism from the U.S. administration and in Israel for his planned speech to Congress on Tuesday, as international talks with Iran are under way to secure a deal on Teheran's nuclear program. REUTERS/Jonathan Ernst (UNITED STATES - Tags: POLITICS)