One of the more notable moments of the Republican Debate Tuesday night was this exchange between Donald Trump and Jeb Bush.
Beginning at 1:17, Mr. Bush says, "... Donald, ah, You're not going to be able to insult your way to the presidency. That's not going to happen. And I do have the strength."
Immediately following Gov. Bush's retort (during 1:25), Donald Trump displays this classic microexpression of contempt. It's quite rapid and the video should be watched to more fully contextualize the dynamics of this nonverbal.
A fraction of a second afterwards (still during 1:25), Trump's face maintains a subtle expression of contempt - not as dramatic, but longer in duration.
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