Mitt Romney has just handed the Obama team a doozy of an issue to club him with. Romney said today that he won’t release his tax returns if he’s the Republican nominee, even though all major party candidates going back decades have done so. This is probably because most of his vast income comes from capital gains and is thus taxed at 15%, rather than the higher rate on which most taxpayers are assessed. The DEMs have already put up a clever website What Mitt Pays that caculates what ordinary folks pay, compared to what Mitt’s probably paying. //more