Change is ‘long overdue’ at Homeland Security. Can Markwayne Mullin bring it?

By Priscilla Alvarez, CNN (CNN) — Newly confirmed Homeland Security Secretary Markwayne Mullin told senators during his confirmation hearing that he wanted to keep the department out of the headlines. That won’t be easy. The Department of Homeland Security is charged with one of President Donald Trump’s key domestic priorities: cracking down on immigration. Mullin,