Pulling away from the pack with every long stride, Usain Bolt crossed the finish line and wagged his right index finger. Yes, he's still No. 1 in the 100-meter dash. Maybe not better than ever, but Bolt is definitely back. Only sixth-fastest of the eight runners to the halfway mark Sunday night, Bolt erased that deficit and overwhelmed a star-studded field to win in 9.63 seconds, an Olympic record that let him join Carl Lewis as the only men with consecutive gold medals in the marquee track and field event at the Summer Games.
