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How to tell a book tour from an actual campaign


Top Talkers: The Iowa caucuses are less than six weeks away, and a new Bloomberg poll shows a statistical tie in the state's primary with Herman Cain at 20 percent, Ron Paul at 19 percent, and Mitt Romney at 18 percent. The Morning Joe panel – including Newsweek's Tina Brown, Mike Barnicle, and Donny Deutsch – discusses this and Newt Gingrich's relationship with Freddie Mac.