Cast member Kiernan Shipka attends a premiere screening of season five of the AMC series "Mad Men" in Los Angeles March 14, 2012.[Photo/Agencies]

Actor George Clooney (R) and U.S. Senator John Kerry (D-MA), chairman of the Senate Foreign Relations Committee, walk through the hall of the Dirksen Senate Office Building before a hearing in Washington March 14, 2012.[Photo/Agencies]