Olympic track and field: U.S. falls short to gold in 100-meters
LONDON -- In the 100-meter hurdles, Americans Dawn Harper and Kellie Wells lost the gold to Australian, Sally Pearson.
They took silver and bronze respectively.
Lolo Jones, who fell at the ninth of 10 hurdles, four years ago, finished fourth.
In the women’s 200-meter semis, Sanya Richards-Ross, who's already the 400 gold medalist along with Allyson Felix and Carmelita Jeter, all advanced.