Chris Christie: I would have corrected man who called Obama Muslim

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New Jersey Gov. Chris Christie, who is running for the Republican presidential nomination, tells TODAY’s Matt Lauer that if someone at one of his town hall meetings had called President Obama a Muslim, he would have corrected him, unlike Donald Trump. He calls the presidential campaign “a long slog,” predicts that the government will not shut down over defunding Planned Parenthood, and says he hopes Joe Biden will enter the White House race.