Trump swats at CNN, mocks Bush's poll numbers(VIDEO)
The two then sparred back and forth, repeatedly trying to interrupt each other, with Trump mockingly saying to Bush, "You're a tough guy, Jeb."
But when Bush told Trump that he'd never be president by "insulting your way," Trump snapped back.
"I'm at 42 and you're at 3. So I'm doing better," Trump said to boos.
"You started off over here, Jeb," he added, pointing towards the center of the stage where the polling leaders stand. VIDEO
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