India, Nov. 29 -- Sex and drugs - Billy Idol left all that behind long ago, but not rock'n'roll. Hits like "Rebel Yell" and "Eyes Without A Face" are now cult classics. And they also inspire his granddaughter, he tells us. London (dpa) - In the 1980s he was the wild poster boy of mainstream punk. With straw-blond spikes and a curled top lip, Billy Idol was one of the best-known faces of the MTV era and delivered global hits such as "White Wedding", "Rebel Yell" and "Sweet Sixteen". "I was alive in the 80s. It was so much fun," he told dpa in an interview in London. He has long left the wild times behind, but the rock'n'roll remains. Even as a grandfather, the British musician keeps putting out new music and regularly takes the stage. On his...