This is the final night of gymnastics, with four individual medals awarded – on a day of competition that also includes more track and field, semifinals in beach volleyball, and other events. But gymnastics, showcased in prime time, is the big draw, with all-around Olympics gold medalist, USA’s Gabby Douglas, appearing in her grand finale – and hoping to make it more grand than her performance in Monday’s uneven parallel bars, where she finished in last place.