Trailer: Batman doc tugs at the heartstrings

When I clicked on the trailer for a new Batman documentary, I didn't expect to get teary-eyed.

But Legends of the Knight isn't your typical superhero flick. Rather than spotlight Bruce Wayne himself, Brett Culp's movie focuses on the fans, revealing how Batman has impacted their lives.

Interviewees include film producer Michael Uslan, geek blogger Jill Pantozzi and comic book writer Denny O'Neil....