MIT economist Jonathan Gruber may not have been a household name, at least before this week, despite his being described as the “architect” of Obamacare and, previously, Romneycare in Massachusetts. He sparked a furor this week after video surfaced of his talking about the “stupidity” of the American people, among other insults aimed at the voting public. Now Republicans have pounced, inventing a brand-new word: “Grubering.” Here’s what you need to know about Gruber and the controversy that’s still swirling. I've heard the name Jonathan Gruber a lot this week, but what happened and who is he? He’s an MIT...