Trump Fires DHS Chief Kristi Noem, Taps Sen. Markwayne Mullin to Take Over

President Donald Trump said Thursday he is removing Homeland Security Secretary Kristi Noem and replacing her with Oklahoma Sen. Markwayne Mullin, a major cabinet shake-up during his second term.

The move comes after days of mounting scrutiny of Noem’s leadership and a series of tense congressional hearings that intensified pressure on the administration…