In 1960s Los Angeles, after the catastrophic Watts riots, an outsized character emerged — one who found an unexpected way to unite people across race and class. Odds are you’ve never heard of him. From L.A. Times Studios, the team behind “Dirty John” and “Man in the Window,” comes “Larger Than Life,” a docu-series about Big Willie Robinson, a 6-foot-6, muscle-bound street racer who preached peace a quarter-mile at a time. Cops and criminals, movie stars and miscreants, even Crips and Bloods — out at the drag strip, Big Willie could get them all to see eye to eye, easing tensions and making...