What Mattered This Week: April 19-23, 2021

The U.S. lifts its pause on the one-shot Johnson & Johnson coronavirus vaccine, saying the benefits outweigh the risks. Plus, Derek Chauvin is convicted in the murder of George Floyd, and President Biden pledges to halve U.S. greenhouse gas emissions by 2030. Catch up on these and more of the week’s top stories.

What Mattered This Week: April 19-23, 2021

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