Gary L. Ackerman, Howard Berman

Gary L. Ackerman, Howard Berman

Rep. Gary L. Ackerman, D-NY, right, who is retiring at the end of the year, makes an appeal for more cooperation and collegiality among members of Congress as he attends a House Foreign Affairs Committee hearing on the attack on the U.S. consulate in Benghazi, Libya, where the ambassador and three other Americans were killed Sept. 11, on Capitol Hill in Washington, Thursday, Dec. 20, 2012. At left is Rep. Howard Berman, D-Calif., the committee's ranking member. (AP Photo/J. Scott Applewhite)

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