On Wednesday, the FDA authorized Covid booster shots from Pfizer-BioNTech and Moderna capable of generating protection against the coronavirus strains circulating most widely in the U.S. The move allows the Biden administration to begin offering boosters just after Labor Day, pending an endorsement from the Centers for Disease Control and Prevention. Plus, Katherine Ellen Foley sits down with Dr. Brian King, U.S. chief tobacco regulator, in one of his first public interviews.

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