August 3, 2021 7:29 am Two Americans to Compete for First-Ever Gold in Sport Climbing After sport climbing made its Olympic debut on Tuesday, American climbers Colin Duffy and Nathaniel Coleman will compete for the first-ever Olympic gold medal in the sport on Thursday. US & World Videos 3:10 Mulholland drive to reopen Memorial Day weekend 2:59 15-year-old driver dies after crashing stolen car 3:25 Detectives search for landfill for infant's remains 3:34 Violent attacks continue to plague LA Metro system 0:39 How Caitlin Clark fared in Fever WNBA debut