Charlie Sheen reveals lifelong struggle that he says led him to drink

Actor Charlie Sheen is opening up about a lifelong struggle that he says first led him to start drinking, beginning a years-long battle with substance abuse. Sheen said he has struggled with stuttering his whole life and that he learned to drink to feel freer. "Drinking just ... it softened the edges," Sheen told " Good Morning America " co-anchor Michael Strahan in an interview about his new memoir, "The Book of Sheen." "It gave me just freedom of speech." Sheen said it was not until he starred on the sitcom "Spin City" in 2000 that he opened up to his costars and coworkers on set about his stuttering. "When I got the first script for 'Spin' and I was going through it, I was like, 'Oh, that's a problem. That's gonna be a problem. I can't say that,'" Sheen recalled, adding that his decisio