s for saturday, sunday, monday, tuesday. pinch me. is this a dream? >> a great way to wrap up a summer. coming up, a two-wheeled effort to raise money for the alzheimer's mimers arers association. a look at the incredible journey, coming up. now you can save more every time that you shop, with tusands of items at prices that pop. now double the number of deals through the store, with your new card, you can't help but save more. it's specials each week on the things that you use, and real deal savings, now how can you lose? low prices every day in every aisle, top off the savings, so go ahead, smile. more and more reasons to fill up your cart, it's good for your wallet, your family, your heart. isn't it nice to know that you're shopping smart? more savings every time you shop, only with your giant card. >> tonight on "nightline," he was among america's richest man. now he is selling all of his stuff to the highest bidder. that is after the news. after three months and 4,400 miles on a bike, a d.c. resident has rolledcross the finis line. he paid tribute to his grandmother. she died with alzheimer's disease. he has a uncle diagnosed with it last year. to ride s bike coast-to-coa