Oklahoma senator, confirmed in 54-45 vote, replaces Kristi Noem to lead president’s immigration crackdownSign up for the Breaking News US email to get newsletter alerts in your inboxThe US Senate on Monday confirmed Markwayne Mullin to serve as secretary of the Department of Homeland Security, ele vating the Republican senator to a role where he will be among the public faces of Donald Trump’s crackdown on undocumented immigrants.The Republican controlled chamber confirmed Mullin largely along party lines, with a vote of 54-45. Continue reading... ...read more read less