Mullin under microscope by Senate colleagues over temperament, stolen valor and ICE in tense DHS confirmation hearing

By Morgan Rimmer, CNN (CNN) — A typically friendly setting for one of their own turned tense on Capitol Hill Wednesday with senators grilling Markwayne Mullin for roughly three hours as he vies to become President Donald Trump’s next Department of Homeland Security chief. Republican Homeland Security Committee Chairman Rand Paul cast doubt on whether