With the magnetism of Elvis and the personality of Mr. Rogers, a new mega-star of children`s entertainment has burst onto the scene. He is a giggling, galumphing, purple and green dinosaur called ...

“In the ’50s, it was Elvis,” reads the ad on the front page of Billboard. “In the ’60s, it was the Beatles. In the ’90s, it’s . . . Barney.” That’s right. He may not have the musical reputation of a ...