“... now to express that resentment in the films, particularly in On the Waterfront (1954). ‘When Brando, at the end, yells at Lee Cobb, the mob boss, “I’m glad what I done you hear me? – glad what I done!” that was me saying, with identical heat, that I was glad I’d testified as I had.’ Kazan and Schulberg befriended the ‘stoolie’ docker Tony ...”