Watch video from Noem's controversial $220M ad campaign

President Trump on Thursday fired Homeland Security Secretary Kristi Noem and announced he will replace her with Sen. Markwayne Mullin (R-Okla.), hours after the president reportedly said he did not approve a scrutinized $220 million ad campaign pushed by the secretary. The ad features Noem, donning a cowboy hat on horseback, moving out of a...