Karl Rove calls the controversy surrounding Mitt Romney's tax returns a "phony issue", but nevertheless, seems to understand its political importance.
"I think they've got to make a big decision whether they're going to just continue to, sort of, press this on through and sort of ignore it, or whether they're going to do something different.
Look, it's a close call, because let's be honest: he could issue ten years of tax returns, and they'd ask for twelve."