Country music star Randy Travis is back on the radio after a decade-long absence, thanks to artificial intelligence that restored his voice. Meanwhile, NASA's Ingenuity helicopter has changed the agency's thinking forever, and actor Tom Selleck is reflecting on his long career, including his iconic role as Thomas Magnum. Elsewhere, author A.J. Jacobs is exploring the American Constitution, and actress Whoopi Goldberg is sharing her trailblazing journey in her new memoir.
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