WEDNESDAY 9:30AM ET: Oklahoma GOP Senator Markwayne Mullin testifies at his Senate confirmation hearing to be President Trump's next Homeland Security Secretary to succeed Kristi Noem, amid the partial DHS shutdown now in its 2nd month. LIVE on @cspan 3, online & cspan now app https://www.c-span.org/event/senate-committee/homeland-security-secy-nominee-sen-markwayne-mullin-testifies-at-confirmation-hearing/441189(Craig Caplan)