Lilly King puts exclamation mark on big day for U.S. swimming

Gold medal winner Lilly King (right), seen here celebrating with her U.S. teammate and bronze medalist Katie Meili, won the 100-meter breaststroke over her rival, Russia's Yuliya Efimova.
Gold medal winner Lilly King (right), seen here celebrating with her U.S. teammate and bronze medalist Katie Meili, won the 100-meter breaststroke over her rival, Russia's Yuliya Efimova.