Sum 41 singer Deryck Whibley alleges abuse by ex-manager in new memoir

Sum 41 frontman Deryck Whibley has alleged in a new memoir that he was abused for years by the Canadian rock band's former manager. In the memoir, Whibley accuses the band's first manager, Greig Nori, of grooming and sexually abusing him starting when he was a teenager. In an interview with the Los Angeles Times, the singer says he kept the dark side of the relationship secret from his bandmates for years. Mr…