“Mitt Romney says he’s for corporations, but Romney has a secret. As a head of Bain Capital he bought companies, carved them up and got rid of what he couldn’t use. If Mitt Romney really believes corporations are people, then Mitt Romney is a serial killer.” —From an ad just released in South Carolina by Americans for a Better Tomorrow, Tomorrow, the super PAC set up by Stephen Colbert and recently handed off to The Daily Show’s Jon Stewart.