How can we know the economy is on an irreversible upswing? Must we really plow through mountains of data and reams of business journals and thousands of Wonkblog's words?
No, no, no. Not at all. We only need know that Mitt Romney is now aiming his gaffe-loaded blunderbuss at President Obama's foreign policy -- the latter's real Achilles' heel.
Poor Mitt, for whom as things keep getting better, they only get worse.