Five years ago, Barney the purple dinosaur was a dominant feature on the children's television landscape, as famous as as Big Bird and as popular as the Rugrats. Preschool children incessantly nagged their Barney-hating parents to buy them sing-along videotapes or tickets to the dinosaur's stage shows. Toy stores overflowed with stuffed animals, miniature playhouses and other merchandise that featured Barney and his prehistoric friends, Baby Bop and B.J. But in recent years Barney has become an endangered species, eclipsed by the likes of Clifford the Big Red Dog and Dora the Explorer. Barney's new owners plan to change that...