NBC Nightly News Broadcast (Full) – July 27th, 2020 | NBC Nightly News

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Moderna begins Phase 3 human trials for the coronavirus vaccine, Rep. John Lewis lies in state at the Capitol Rotunda and schools begin reopening amid the pandemic.

Watch “NBC Nightly News With Lester Holt” at 6:30 p.m. ET / 5:30 p.m. CT (or…