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Photo by: Evan Vucci

** FILE ** Vice President Joseph R. Biden (right) administers the Senate oath to Sen. Ted Cruz, Texas Republican, accompanied by his wife, Heidi Nelson, and daughters Caroline and Catherine (second from right) during a mock swearing-in ceremony on Capitol Hill in Washington on Thursday, Jan. 3, 2013, as the 113th Congress officially began. (AP Photo/Evan Vucci)

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