NBC Nightly News Full Broadcast - September 22nd, 2021

FDA authorizes vaccine booster for older adults, high risk individuals, more than 5,000 migrants still waiting beneath Del Rio bridge, and Al Gore on worsening climate crisis.

00:00 Intro 01:24 FDA authorizes vaccine boosters 04:16 Migrants released into U.S. 06:22 Biden and Macron speak in first call since dispute over submarine deal 07:17 Three teens shot at a Louisville bus stop 09:00 The Gabby Petito investigation 11:34 La Palma volcano eruption 13:14 Exclusive: Al Gore on worsening climate crisis 16:36 Holiday shipping delays

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