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Sen. Richard Shelby, D-Ala., switches parties (Democratic to Republican) and announcing at a press conference. Post election news. Sen. Bob Dole, R-Kans., with fist and Sen. Phil Gramm, R-Tex., on Nov. 10, 1994. (Photo by Laura Patterson/CQ Roll Call via Getty Images)

Sen. Richard Shelby, D-Ala., switches parties (Democratic to Republican) and announcing at a press conference. Post election news. Sen. Bob Dole, R-Kans., with fist and Sen. Phil Gramm, R-Tex., on Nov. 10, 1994. (Photo by Laura Patterson/CQ Roll Call via Getty Images)

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