What Mattered This Week: January 25-29, 2021

As more coronavirus variants are identified in the U.S., here's what you need to know about the efficacy of Johnson & Johnson's one-shot vaccine candidate. Plus, 2020 was the worst year for the U.S. economy since 1946, and President Biden signs a flurry of executive orders during his first week in office. Read up on these and more of the week’s top stories.

What Mattered This Week: January 25-29, 2021

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