Pfizer believes Covid booster shot may offer better protection, President Biden defends decision to end war in Afghanistan, and fans banned from Olympics after new state of emergency declared in Tokyo. Watch “NBC Nightly News With Lester Holt” at 6:30 p.m. ET / 5:30 p.m. CT (or check your local listings). 00:00 Intro 01:45 Delta Variant Booster Shots 03:55 Afghanistan …

A look at the top photos from around the globe. Original source (ABC/Youtube)

Tropical Storm Elsa makes landfall on North Florida’s Gulf Coast, Death toll in Surfside condo collapse continues to grow, QAnon followers have started to run for positions on their local school board or in local office to spread the gospel of Q without calling it QAnon.  » Subscribe to NBC News: http://nbcnews.to/SubscribeToNBC​ » Watch more NBC video: http://bit.ly/MoreNBCNews​ NBC News …