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Charles Krauthammer says that Hillary Clinton's multiple "lies" about her private email server are starting to catch up to her.

"She can't escape her lies on emails," Krauthammer stated. "There are so many lies now that she lies about her lying."

He pointed to her repeated claims that FBI Director James Comey said her testimony before FBI investigators was "truthful."

"When somebody has to cite somebody else as an authority on the truthfulness of their speech, they're in trouble."

As for Trump's criticism of Hillary Clinton's now-infamous "short-circuit" comment, Krauthammer said it's just "tit-for-tat" in a heated race.

"It's a bit of a cheap shot, but, what the hell, there's a lot of cheap shots going on in this election," he said.

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