From our editorial, posted last night:
If he is to be the nominee, a speedy release benefits Romney, as well. If he discloses tomorrow, he will have secured the time and space necessary to exhaust the present attacks on his wealth and craft a counter-narrative. If he waits until April, or beyond, he will have ensured that the attacks reach a fever pitch just in time for the Obama campaign to make them a centerpiece of its reelection class war.