The best style article in the NY Times isn't in the magazine or the Styles section--it's the Metro section's look at the "tradition of the dapper detective." Other industries are open to more casual, dressed-down threads, detectives (ones not working undercover) generally stick to wearing suits. One psychologist explains, "Because they are all well dressed it establishes a barrier between them and the messiness." A retired detective commander, Vernon Geberth, said "put me in a......