Who will replace Nikki Haley after Trump’s glowing sendoff?

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Former South Carolina governor Nikki Haley announced her surprise exit from her post as U.N. Ambassador. Stephanie Ruhle breaks down what Haley’s resignation means for her political future and the Trump administration’s foreign policy. Weighing in: New York Times Opinion columnist Bret Stephens, Sirius XM Progress Radio host Mark Thompson and Daily Beast Politics Reporter Betsy Woodruff.