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).
01:45 Delta Variant Booster Shots
03:55 Afghanistan Withdrawal
08:08 Florida Condo Collapse Death Toll Rises
10:34 Fans Banned From Tokyo Olympics
13:51 Opioid Settlement
16:30 Priced Out: Rentals
18:12 Inspiring America: Returning A Girl Home Safely
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