Batman

The jury, which heard nearly three months of testimony in the case, deliberated for a day and a half before arriving at a decision. Holmes had pleaded not guilty by reason of insanity.

When you see a valuable comic locked up in a safe, it's fair to wonder whether it's really intended for people other than ardent fans to enjoy, or even to know about. But a new documentary airing on PBS uses superheroes to tell a larger tale of American popular entertainment.