Fred Thompson, a former Republican senator from Tennessee, w [Getty Images]

UNITED STATES - SEPTEMBER 02: Fred Thompson, a former Republican senator from Tennessee, waves to the audience on day two of the Republican National Convention (RNC) at the Xcel Energy Center in St. Paul, Minnesota, U.S., on Tuesday, Sept. 2, 2008. The RNC will run until Sept. 4. (Photo by Daniel Acker/Bloomberg via Getty Images)

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