The greatest sports spectacle on Earth takes place this Sunday: the Super Bowl. As millions around the world take in the commercials, the halftime show — and, of course, the actual game — football is facing a crisis. Thirty-three deceased former NFL players have been found to have suffered from a degenerative brain disorder called CTE, brought on by years of head trauma and concussions. Even President Obama has expressed concern, telling The New Republic that if he had a son, “I'd have to think long and hard before I let him play football.” It football safe for kids? We’ll take an in-depth look at the issue with youth football coach Chris Gradwohl and Dr. Kim Harmon of the University of Washington.