Scroll down too quickly YouTube’s movie list and you might miss hidden gems such as “Detour,” the 1945 Edgar G. Ulmer B-movie about a loser struggling to free himself, without much conviction, from the successive traps he falls into. About “Detour,” Roger Ebert had this insightful comment: “The difference between a crime film and a noir film is that the bad guys in crime movies know they're bad and want to be, while a noir hero thinks he's