It had to happen eventually. Cat Stevens — now known as Yusuf Islam — has been nominated for induction into the Rock and Roll Hall of Fame. My sources tell me he's a shoo-in, too. Stevens had several huge-selling popular records in the 1970s, until he became a Muslim and changed his name. Those hits were "Moon Shadow," "Peace Train," "Oh Very Young," a cover version of Sam Cooke's "Another Saturday Night," "Father and Son" and "Wild World." A decade or more ago, Stevens was roundly denounced for seeming to back the fatwa, or death sentence, placed by Iran's Ayatollah...