NBC Nightly News Broadcast (Full) – August 15th, 2020 | NBC Nightly News

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CDC warns coronavirus cases among children are rising, U.S. Postal Service warns it can’t handle mail-in ballots, and extreme heat wave fuels wildfires across West Coast. Watch “NBC Nightly News With Lester Holt” at 6:30 p.m. ET / 5:30 p.m….