Donald Trump's Embarrassing 'J.D. Mandel' Flub | The Mehdi Hasan Show

Donald Trump brings up his “miraculous” cognitive test every chance he gets. It reeks of insecurity — but it’s also quite ironic, considering he couldn’t even correctly name the person he was endorsing in Ohio’s GOP Senate primary. What does the flub mean for the man who can’t shut up about his mental acuity? And for the Republican Ohio senate candidate he’s seeking to boost?