Jimmy Fallon says he spends almost 12 hours each day at the Late Night offices, which makes the rest of his life difficult. "If I want to play video games now, I have to schedule it," he tells Terry Gross. Virginia Sherwood/NBC hide caption

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Comedian Jimmy Kimmel interviews Mel Brooks on Jimmy Kimmel Live. Randy Holmes/ABC hide caption

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Conan O'Brien interviews Bruce Willis in a 2005 episode of Late Night With Conan O'Brien. NBC/Getty Images hide caption

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Jay Leno delivers the opening monologue during the inauguration of The Tonight Show with Jay Leno on May 25, 1992. Craig Fujii/AP hide caption

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David Letterman, pictured here in January 1982, premiered Late Night With David Letterman just a few months after his Fresh Air interview. AP hide caption

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Elmore Leonard published 46 novels over a career that lasted more than 60 years. Vince Bucci/Getty Images hide caption

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Marian McPartland's Piano Jazz featured performances and conversation with a variety of pianists, including Ray Charles and Dave Brubeck. Courtesy Marian McPartland hide caption

itoggle caption Courtesy Marian McPartland

Martin Freeman (from left), Paddy Considine, Simon Pegg, Nick Frost and Eddie Marsan star as five old high school friends who reunite to finish an epic pub crawl in The World's End, directed by Edgar Wright. Laurie Sparham/Focus Features hide caption

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Mexican detective Marco Ruiz (Demian Bichir) teams up with his American counterpart, Sonya Cross (Diane Kruger), to solve a murder in FX's The Bridge. Byron Cohen/FX Network hide caption

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The self-proclaimed sovereign principality of Sealand, aboard a World War II artillery platform, began hosting the Internet haven HavenCo in 2000. AP hide caption

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T.E. Lawrence, shown here on Oct. 3, 1928, wore Arab clothing in an effort to be seen as trustworthy. AP hide caption

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Mario Savio, shown here at a victory rally in UC Berkeley's Sproul Plaza on Dec. 9, 1964, was the face of the free speech movement. AP hide caption

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Bobby Cannavale (right) starred in Glengarry Glen Ross on Broadway. Cannavale has also starred in television shows such as HBO's Boardwalk Empire and in films such as The Station Agent. Scott Landis/JRA Broadway hide caption

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