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    Pressure on North Korea in the end won't work: Newt Gingrich

    Former Speaker of the House Newt Gingrich (R-Ga.) on the Trump administration's strategy in Afghanistan, tensions with North Korea and his wife Callista Gingrich's nomination as U.S. ambassador to the Vatican.

    Newt Gingrich

    Republican presidential candidate Newt Gingrich took to the podium in a Las Vegas honky-tonk bar to slam Mitt Romney ahead of the Feb. 4 primary in Nevada.