From the mid-1980s into the early 1990s, the greatest athlete of all time streaked across American sports and popular culture. Stadiums struggled to contain him. Clocks failed to capture his speed. His strength was legendary. His power unmatched. Video game makers turned him into an invincible character—and they were dead-on. He climbed (and walked across) walls, splintered baseball bats over his knee, turned oncoming tacklers into ground meat....