who comes in third and fourth? ibm and then mcdonald's at number four. remember, it is the globe's most valuable brand, not just america's. back to you. >> google, apple. thank you. there's no way to sugar coat this. detroit public schools are a mess. last fall education secretary arne duncan called them arguably the worst in the nation. starting tomorrow night, hd net's dan rather takes a sobering look in a special two-hour report called "a national disgrace." >> nobody wants to send their child to a school where they are not learning anything. nobody wants to send -- would you send your child to a school where their there are children in the hallways because they rather not go to close? where there are fights, where the textbooks are tattered and torn? nobody wants to send their children to something like that. they want their children to have the best. >> i'm joined by dan rather, anchor and managing editor of