Anyone want to try defining “overnight” for me, just so that we have a rule of thumb going forward? On Inauguration Day, I would have accepted “2009″ or even “his first two years in office” as plausible answers. Instead, five months out from election day, somehow dawn still has yet to break. His braintrust is now actually on the cusp of arguing, in all seriousness, that it’s unfair to judge him on what’s happened in the jobs market over the course of his entire first term. What do you do when America’s just taken an economic gut punch, with a...