Simone Biles’ dazzling comeback in an action-packed Olympics Day 2

Simone Biles made a dazzling return to the Olympics, with Team USA qualifying in the top spot for the team event, despite tweaking her left calf. Americans Torri Huske and Gretchen Walsh had a thrilling 1-2 finish in the 100-meter butterfly, while LeBron James led USA basketball to victory over Serbia in an action-packed Day 2. NBC News’ Tom Llamas reports.