FILE - This Nov. 26, 2012 file photo shows Ball State University alumnus David Letterman, right, host of CBS's "Late Show," with Oprah Winfrey following an interview at Ball State University in Muncie, Ind. Letterman says he sees a psychiatrist once a week, part of his attempt to be the person he once believed he was. The late-night talk show host gave an extraordinary interview to Oprah Winfrey, where he talked about his feuds with her and Jay Leno and his own effort to make amends for the affairs that became public three years ago when a man tried to extort him. (AP Photo/Michael Conroy, file)

FILE - This Nov. 26, 2012 file photo shows Ball State University alumnus David Letterman, right, host of CBS's "Late Show," with Oprah Winfrey following an interview at Ball State University in ... more
FILE - This Nov. 26, 2012 file photo shows Ball State University alumnus David Letterman, right, host of CBS's "Late Show," with Oprah Winfrey following an interview at Ball State University in Muncie, Ind. Letterman says he sees a psychiatrist once a week, part of his attempt to be the person he once believed he was. The late-night talk show host gave an extraordinary interview to Oprah Winfrey, where he talked about his feuds with her and Jay Leno and his own effort to make amends for the affairs that became public three years ago when a man tried to extort him. (AP Photo/Michael Conroy, file) less

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