In this episode of Slate's podcast about campaign history, John Dickerson explains how Ronald Reagan almost became Gerald Ford’s vice president and vice-versa.

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And by CNN’s riveting six-part documentary Race for the White House, an original mini-series that digs deep to reveal the most controversial tactics and game changing strategies used throughout presidential elections in American history. Race for the White House premieres Sunday, March 6 at 10 p.m. ET, only on CNN.

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