Peter Landesman knows what it's like to get knocked in the head so hard you see stars. Before he was an investigative journalist and a filmmaker, Landesman played high school and college football as a center and a linebacker. Play after play, he found himself on the front line of the game's most violent moments. And he loved it.
"How many times did I get my bell rung?" Landesman said on a recent afternoon in Los Angeles. "All the time, every day. It was almost a badge of honor to get your bell rung and get back in the game and tough it out."
As the writer and director of "Concussion," Landesman — who at 50 still has the broad-shouldered...
The Arizona Cardinals and the St. Louis Rams line up for during the NFL game at the University of Phoenix Stadium on November 25, 2012 in Glendale, Arizona. The Rams defeated the Carindals 31–17.