"History Is A Great Teacher"

Clip: Season 31 Episode 1 | 9m 48s

In this preview from "The Choice 2012," airing tonight, FRONTLINE explores how Mitt Romney and Barack Obama's early public failures could have ended their political careers. Instead, both candidates went on to learn from their losses – lessons that would help them both pursue the presidency.

Aired: 10/08/12

Rating: NR

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