Criminal ... Saint ... Lunatic ... Genius ... Muse .... Once described by Jack Kerouac as "more like Dostoevsky than anyone I know," Neal Cassady lived what others could only write about. Serving as the model for Kerouac's frenetic hero, the hip, Noble Savage Dean Moriarty in On the Road, and "N.C., the secret hero" of Allen Ginsberg's provocative poem "Howl," Cassady was a genius of life lived on the edge of the abyss. Now, William Plummer strips...