Johnson & Johnson says additional shot boosts protection against Covid, remains found in Wyoming identified as Gabby Petito, and President Biden calls for global cooperation on Covid and climate change in first U.N. speech.
01:22 Covid booster shot confusion
04:35 Remains found in Wyoming identified as Gabby Petito
07:19 Biden first U.N. speech
09:45 Biden vows to get border emergency ‘under control’
13:12 Hospitals and ICU’s reach capacity
15:35 Climate change ravaging crops in Guatemala
19:00 Race to save world’s largest tree
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