Jamaican sprinter and Olympic record holder Usain Bolt gave everyone watching the Olympics a real joyful moment when he raced this summer. Apparently David Letterman was watching that day too, as he invited him on his show last night in New York City, New York. Seriously, even though Usain is 6’4″, he is without a doubt the fastest man on the planet, and even Dave was a bit in awe. Usain said that his key to winning the Olympics was chicken nuggets from McDonald’s before the race. Hey, whatever works. Usain posed for the photographers who were waiting outside for Paris Hilton.