The 28 cartoons in this collection were made by the Warner Bros. artists for the Army-Navy Screen Magazine during World War II, and were rarely--if ever--seen by the general public. The title character's name is an acronym for "Situation Normal: All Fouled Up" (substitute another "F-word" if you must), and most of his adventures are mildly didactic: Snafu ignores an Army regulation and/or …