L.N.

Football is at a crossroads, its future imperiled by the very physicality that drives its popularity. Its grass roots - high school and youth travel program - are withering. But players from the small South Pacific American territory of Samoa are bucking that trend, quietly becoming the most disproportionately overrepresented culture in the sport. But the very thing that makes them so good at football - their extraordinary internalization of discipline and warrior self-image - makes them especially vulnerable to its pitfalls, including concussions and brain injuries.

This is the story of one of the greatest records ever made - Johnny Cash at Folsom Prison - and its shocking and tragic aftermath. Join award-winning journalist Danny Robins on the 50th anniversary of the album as he takes you on a road trip back to 1968, a pivotal year in US history, to investigate the dramatic and unlikely friendship between Johnny Cash, American icon, and Glen Sherley, armed robber and Folsom inmate, and how that friendship was violently torn apart.