Despite all of the hits that football has taken over the years: Ray Rice, deflategate, and, most recently, the film Concussion, interest in the sport remains as strong as ever. 

However, as the league continues to print money, debate over its long-term viability has started to enter the public consciousness

Even the President has weighed in from time to time on the sport that can be legitimately called "America's passion."

tackles all this and more in his new book called The Game's Not Over: In Defense of Football.

To hear the full interview, click the blue 'play' button, above.