New York (AFP) - Half a century later, the famous rivalry between The Beatles and The Rolling Stones may not be over.Stones guitarist Keith Richards in a new interview has denounced "Sgt. Pepper's Lonely Hearts Club Band," the 1967 album by The Beatles famed for its experimentation.Richards told Esquire magazine that the Fab Four "sounded great" when they stayed true to their original sound but "got carried away.""Why not?