With his temperment and experience at question, Markwayne Mullin remained composed while he was grilled by Republicans and Democrats Wednesday over public comments he has made during his Congressional tenure.

Sen. Markwayne Mullin appeared before the Senate Homeland Security & Governmental Affairs Committee on Wednesday for a confirmation hearing to replace DHS Secretary Kristi Noem.

Paul’s questioning of Mullin was equally contentious, and later in the hearing, he threatened to cancel Thursday’s committee vote on the nomination if Mullin didn’t meet with senators behind closed do...