Director Nate Parker, actors Armie Hammer, Penelope Ann Miller, and Chike Okonkwo discuss 'The Birth of a Nation' at the Deadline.com panel at The Samsung Studio during The Sundance Festival 2016. Neilson Barnard/Getty Images for Samsung hide caption

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Neilson Barnard/Getty Images for Samsung

New Jersey Gov. Chris Christie listens to a question in Trenton, N.J., Tuesday. He has refused to tip his hand on whether New Jersey will set up a federally mandated health insurance exchange or let the federal government handle the chores. Mel Evans/AP hide caption

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Mel Evans/AP