Interview: Billy Corgan

Billy Corgan has been both baton master and whipping boy of a post-grunge generation. He was the front man of Smashing Pumpkins, the band some initially considered to be Nirvana’s poor relative; he is the rock star that even Sharon Osbourne – wife of dear, cerebrally-departed Ozzy – found to be unmanageable; he is a former boyfriend of Courtney Love,