“Ezra Klein, in his new capacity as one of the impresarios behind Vox, has written a pair of attention-grabbing posts — here, and then here — defending the proposition that Obamacare has, in some sense, “won,” and that conservatives who can’t come to terms with that victory can’t come to terms with reality itself. Reading them, it struck me that this argument would benefit from laying down some specific markers for the near future, because Klein seems to move back and forth between two definitions of success.”