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.This episode is brought to you by Squarespace. Start building your website today at Squarespace.com. Enter order code WHISTLESTOP at checkout to get 10% off. Squarespace—Build it Beautiful.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.Love Slate podcasts? Listen longer with Slate Plus! Members get bonus segments, ad-free versions, exclusive podcasts, and more. Start your 2-week free trial at slate.com/podcastsplus.Email: whistlestop@slate.comLearn more about your ad choices. Visit megaphone.fm/adchoices