NBC Nightly News Broadcast (Full) – March 6th , 2021 | NBC Nightly News

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Senate passes Biden’s Covid relief bill, fears of superspreader gatherings grow despite increased vaccinations, and inside look at Arizona’s vaccine rollout.Watch “NBC Nightly News With Lester Holt” at 6:30 p.m. ET / 5:30 p.m. CT (or…