Olympic Sprinter Broken Leg

American Sprinter Manteo Mitchell Runs Relay on Broken Leg
There have been sad stories from this year's Olympic Games, such as the tale of Shin A Lam. There have been tales of triumph, such as Mo Farah of Great Britain winning both the 10,000m and 5,000m gold medals in front of his home crowd. But the greatest tale of sheer toughness in this year'…