How do you say “chutzpah” in Mormon? Mitt Romney is out on a book tour insisting that Romneycare and Obamacare have very little in common. “It’s the difference between a racehorse and a donkey,” is Romney’s line. And besides, the former Bay State governor writes in his new book, “the plan is working.” I don’t know how many of the working Massachusetts families facing insurance premium hikes of more than 30 percent this year alone - on top of the fastest-rising costs in America since the plan took effect - would say it’s “working.” But for Romney to say “there’s...