Obama pressures Romney to explain Bain
At an Iowa campaign rally, President Obama pressures Mitt Romney to explain how Bain Capital prepared him for the presidency. MSNBC's Krystal Ball, E.J. Dionne, and Ari Melber join MSNBC's Martin Bashir to discuss the week in Bain and Romney's upcoming Vegas event with Donald Trump and Newt Gingrich.
