Now a major motion picture directed by Gus Van Sant and starring Joaquin Phoenix, Jonah Hill, and Rooney Mara Featuring more than 60 of Callahan's original cartoons "When people laugh like hell and then say, 'That's not funny,' you can be pretty sure they're talking about John Callahan."- P.J. O'Rourke In 1972, at the age of 21, John Callahan was involved in a car crash that severed his spine and made him a quadriplegic. A heavy drinker since...