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Wendell Pierce - On Thursday, Twitter became a hotbed of support—and disdain—in reaction to Mitt Romney's GOP presidential nomination speech on Thursday. See tweets from Wendell Pierce, Paul Ryan, Roland Martin and more. – Britt Middleton (Photo: Twitter)

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Star Jones - (Photo: Twitter)

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Josh Barro - (Photo: Twitter)

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Rachel Maddow - (Photo: Twitter)

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Paul Ryan - (Photo: Twitter)

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Roland Martin - (Photo: Twitter)

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Lawrence O'Donnell - (Photo: Twitter)

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Ann Coulter - (Photo: Twitter)

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Charles Blow - (Photo: Twitter)

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TJ Holmes - (Photo: Twitter)

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Keith Boykin - (Photo: Twitter)

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Janelle Monae - (Photo: Twitter)

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Rick Santorum - (Photo: Twitter)

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