Then-Republican presidential nominee Donald Trump and Democratic presidential nominee Hillary Clinton square off during the second presidential debate at Washington University in St. Louis on Oct. 9, 2016. I'd have voted for him!”Enter: Hillary Clinton, the first modern candidate to break this rule. Few defeated candidates loom as large in our national conversation as Hillary Clinton, who has been some combination of famous and infamous since 1991. This is fairly obvious — unusually for a victorious president, Trump cannot stop talking about the candidate he defeated. — Donald J. Trump (@realDonaldTrump) July 12, 2017He explains that polls can't be trusted because, well, polls said he'd lose to Clinton.

Source: Washington Post July 18, 2017 21:13 UTC