Coco Gauff pulls out of Olympics after positive Covid test, Covid cases on the rise, and gunfire at Nationals Park amid rising gun violence. Watch “NBC Nightly News With Lester Holt” at 6:30 p.m. ET / 5:30 p.m. CT (or check your local listings). » Subscribe to NBC News: » Watch more NBC video: Connect… Continue reading NBC Nightly News Broadcast (Full) – July 18th, 2021