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Republican presidential candidate Sen. Marco Rubio, R-Fla., waits to speak at a caucus site, Monday, Feb. 1, 2016 in Clive, Iowa. (AP Photo/Paul Sancya)
Republican presidential candidate Sen. Marco Rubio, R-Fla., waits to speak at a caucus site, Monday, Feb. 1, 2016 in Clive, Iowa. (AP Photo/Paul Sancya)

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    Marco-mentum stopped?

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Marco-mentum stopped?

The 'Inside Politics' panel on Rubio's tough night on the debate stage and how it will impact his prospects in New Hampshire.

Marco-mentum stopped?

The 'Inside Politics' panel on Rubio's tough night on the debate stage and how it will impact his prospects in New Hampshire.