Watch the Trailer For ESPN's 7-Hour O.J. Simpson Documentary: O.J.: Made In America

We are a society that loves culturally significant anniversaries divisible by 10, so the 20th anniversary of the OJ Simpson trial has only just begun providing material for the airwaves. Since January, the event has been covered in FX’s spectacular limited series and a 12-hour special on Esquire, but this summer ESPN…