>> or to even lower gas prices, but even as the week threatened to be sucked down the drain of mitt's hot tub time machine, the obama camp released a new ad hinting at romney's lack of tranz pa transparency. >> tax havens, offshore accounts carried interest. mitt romney has used every trick in the book. he admits in the last two years he's paid less than 2% on 43 million in income. >> the romney campaign of course was busy trying to change the subject, suggesting what else? that the president isn't american. here's romney east surrogate on a romney conference call earlier today. >> the president is clearly dem traited that he has absolutely no idea how the american economy functions. the men and women all over america who have worked hard to build these businesses, their