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Rubio to Supporters: I’ll Never Screw Up Again (VIDEO)

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"I'm disappointed with tonight. But I want you to understand something. I want you to understand something. Our disappointment tonight is not on you — it's on me," Rubio said. "I did not do well on Saturday night. So listen to this: that will never happen again."

Donald Trump came in first place in the primary and Ohio Gov. John Kasich in second. Rubio was fighting to come in third when he took the stage for his speech, but could finish as low as fifth.

Rubio was skewered by New Jersey Gov. Chris Christie (R) during the Saturday night debate, criticizing him for repeating canned lines.

Rubio told New Hampshire that he would return.

"Tonight we did not wind up where we wanted to be, but that does not change where we are going to wind up at the end of this process," Rubio said. "You will see us again because we're coming back in November to win the general election."

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