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In one of the most powerful moments of tonight’s debate, Republican nominee Donald Trump tried to interrupt his Democratic rival, Hillary Clinton, as she recounted how, as head of the Miss Universe Pageant, he had insulted Miss Venezuela, a woman named Alicia Machado. Clinton said Trump had called Machado “Miss Piggy” and “Miss Housekeeping.”

“Where did you find this?” Trump challenged Clinton three times as she spoke, suggesting that it was not true.

But it was true. Over Trump’s interruptions, Clinton revealed the woman’s name, and added, “She has become a US citizen, and you can bet she is going to vote.”

“OK good,” Trump replied.

Machado won the Miss Universe pageant–in 1996.

Later, the Clinton campaign ran a commercial featuring Machado.