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Republican presidential candidate, former Massachusetts Gov. Mitt Romney (L) and Donald Trump arrive at a news conference held by Trump to endorse Romney for president at the Trump International Hotel & Tower Las Vegas February 2, 2012 in Las Vegas, Nevada.
Republican presidential candidate, former Massachusetts Gov. Mitt Romney (L) and Donald Trump arrive at a news conference held by Trump to endorse Romney for president at the Trump International Hotel & Tower Las Vegas February 2, 2012 in Las Vegas, Nevada.

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    Mitt Romney comments on Donald Trump

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Mitt Romney comments on Donald Trump

Mitt Romney addresses Donald Trump's recent comments about immigrants. CNN's Fredricka Whitfield and MJ Lee report.

Mitt Romney comments on Donald Trump

Mitt Romney addresses Donald Trump's recent comments about immigrants. CNN's Fredricka Whitfield and MJ Lee report.