he s a super bowl champ, a dancing with the stars winner. but now, donald driver s biggest challenge ever. taking on the master blaster for the ultimate thrill rides. the scariest and craziest ride we have ever seen. good morning, america. what a song. what a band. and what a concert we have for you in central park today. the gang is all here. working from my left, this is lara, of course. george, sam, robin, all off. we have amy, dan and ginger in. a whole lot of bookkeeping to get to. now, we won t get lost. it will be a master party at the park this morning. i m looking back at you. we ll be there soon enough. neon trees is going to light up the park today. wow. also in the news, moving to politics. mitt romney, for the first time revealing new information about his tax returns. first asked by abc s david muir two weeks ago. but why now? and already this morning, democrats are saying, prove it. david joins us in moments. and the shoes, i m told, everyone wa