NBC Nightly News Broadcast (Full) – April 7th, 2021 | NBC Nightly News

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Speeding was cause of Tiger Woods crash, investigators say, CDC teams in Michigan amid state’s Covid surge, and Brazil’s Covid death toll reaches 4,000 a day.

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