 ABC News | "Blade Runner" Pistorius Makes Olympic Debut NBC4 Washington Jamaican Shelly-Ann Fraser Pryce successfully defended her gold in the women's 100m sprint Saturday, earning the title of world's fastest woman and outsprinting world champion Carmelita Jeter of Team USA. Fraser-Pryce, who finished in 10.75 seconds, ... Olympic guide: What to watch Saturday in London |