Plus, the FDA authorizes new booster shots designed to target the most common variants, and 23-time Grand Slam champion Serena Williams makes it to the third round at the U.S. Open. WATCH the ABC News Live Stream Here: https://www.youtube.com/watch?v=w_Ma8oQLmSM SUBSCRIBE to ABC NEWS: https://bit.ly/2vZb6yP Watch More on http://abcnews.go.com/ LIKE ABC News on FACEBOOK https://www.facebook.com/abcnews FOLLOW ABC News on TWITTER: https://twitter.com/abc #abcnews #abcnlupdate #trump #grandjury