In this month’s issue, we try to do justice to two significant turning points in the culture—one seismic and liberating, the other just sort of depressing. The first took place on June 6, 1944, D-day, when, transported by a vast armada, 150,000 Allied troops stormed the beaches of Normandy, opening a Western front against Nazi Germany. The second milestone, if you can call it that, came almost exactly 50 years later. On June 17, 1994—20 years ago this month—O. J. Simpson, the Hall of Fame running back turned bit-part actor, held the country captive with the now infamous low-speed chase on Los Angeles freeways. While Simpson sat in the back of his white Bronco, a .345 Magnum pointed at his head and his friend Al Cowlings at the wheel, just…