NBC Nightly News Broadcast (Full) – May 20th, 2021

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Israel, Hamas agree to cease-fire, Seattle mayor’s push to become first major U.S. city to be fully vaccinated, and Alaska Airlines CEO on the future of travel.
Watch “NBC Nightly News With Lester Holt” at 6:30 p.m. ET / 5:30 p.m. CT (or…