Demands come from left and from right. Mitt Romney, though, says he’ll sit tight. We’ve given you people enough, Says Ann, sounding suddenly tough. Conspiracy theories abound. Mitt’s critics relentlessly pound. Why go through this sort of ordeal? What doesn’t Mitt want to reveal?   Some shelters far off from our shore? Well, sure, but there has to be more. And, really, we already know His tax rate is terribly low. Could some corporate losses have meant That one year he paid not a cent? What’s in there to make voters squeal? What doesn’t Mitt want to reveal?   What deed was so sleazy that he’ll So desperately try to conceal Exposure with such stubborn zeal? What fiddling did Romney feel Showed even a wealthy big wheel Who feels some gray area’s appeal Is slippery, just like an eel? What doesn’t Mitt want to reveal?