Trump the Genius Picks America's Least Educated Senator to Run America's Biggest Department

Markwayne Mullin doesn't know who runs Iran, thinks he's smelled combat, and told Rand Paul he deserved to get his ribs broken.

Donald Trump is handing the keys to the Department of Homeland Security to a former plumber from Oklahoma who challenged a union boss to a fistfight on the Senate floor, waxed lyrical about the smell…