In Woody Allen's To Rome with Love, Alec Baldwin lives vicariously through the lives of three younger people. Sony Picture Classics hide caption

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Bob Ojeda spent the majority of his career with the Boston Red Sox and the New York Mets. He currently works as a pre- and post-game analyst for Mets broadcasts. Mark Lennihan/AP hide caption

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Yogurt is produced by the bacterial fermentation of milk. "Bacteria in our gut enable us to live," says author Sandor Katz. "We could not survive without bacteria." iStockphoto.com hide caption

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In Porgy and Bess, David Alan Grier plays the drug dealer Sporting Life, a role closely associated with Sammy Davis Jr. and Cab Calloway. Courtesy of the American Repertory Theater hide caption

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Sissy Spacek received the Academy Award for Best Actress for her portrayal of Loretta Lynn in Coal Miner's Daughter. Courtesy of the author hide caption

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Hugh Laurie has received two Golden Globe awards and two Screen Actors Guild awards for his portrayal of Dr. Gregory House. Fox hide caption

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Carole King was in a doo-wop group called the Co-Sines when she was a teenager. Jim McCrary hide caption

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Rachel Maddow hosts the nightly news talk show The Rachel Maddow Show on MSNBC. Bill Phelps/Courtesy of the author hide caption

itoggle caption Bill Phelps/Courtesy of the author

Sonja Sohn is currently starring in the ABC drama Body of Proof. She is the founder of the Baltimore nonprofit ReWired for Change. Peter Konerko/Courtesy Sonja Sohn hide caption

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The Dave Brubeck Quartet. Hulton Archive/Getty Images hide caption

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In his solo show, Shatner shares stories about his childhood, his father, and his lengthy acting career. Joan Marcus hide caption

itoggle caption Joan Marcus