“Conservatives are operating on the assumption that [Obamacare is] an irredeemable disaster that they can ride all the way to 2016,” New York Times columnist Paul Krugman wrote on his blog last week, “but the facts on the ground are getting better by the day.”

He went on: “Obamacare will turn into a Benghazi-type affair where Republicans are screaming about a scandal nobody else cares about.”