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FILE - In this March 21, 2012, file photo, former Senate Majority Leader Bob Dole looks to the stage during an event honoring Dole and Howard Baker at Mellon Auditorium in Washington. Dole has checked himself into Walter Reed Army Medical Center for what his spokesman said on Monday, Nov. 27, 2012, was a routine procedure. Dole spokeswoman Marion Watkins says the 89-year-old Dole is "doing very well" and is expected to leave the hospital Wednesday. (AP Photo/Carolyn Kaster, File)

Former Senator Bob Dole

Former Sen. Bob Dole, 89, of Kansas overcame disabling war wounds to forge a 36-year political career. He was the Republican nominee for president in 1996, losing to Bill Clinton. (AP)