Here’s who could run to replace Mullin after DHS nomination 

President Trump connected Thursday tapped Sen. Markwayne Mullin (R-Okla.) to regenerate Kristi Noem as secretary of the Department of Homeland Security (DHS), creating a vacancy successful the U.S. Senate and setting off a scramble to regenerate him.  Oklahoma Gov. Kevin Stitt (R) has 30 days to appoint someone from Mullin’s enactment to temporarily capable the seat after the legislator leaves his post, but the appointee must pledge not…