Shawn Ryan‘s “The Shield” is widely regarded as one of the best crime dramas of all time; however, there were reservations about making the series. When the show was in development in 2001, it was picked up days before 9/11 happened. The tragedy in New York City prompted concerns that a show about crooked cops would be perceived as an indictment of real-life law enforcement officers. But when Denzel Washington‘s “Training Day” — a movie about detectives doing bad things — was released shortly afterward, its success showed that the post-9/11 climate could handle entertainment of this ilk.
“‘Training Day‘…