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Joaquin Phoenix will return to Letterman

One of the first stops on Joaquin Phoenix's "I'm done with acting" tour was David Letterman's "Late Show" on Feb. 11, 2009. The appearance was among the most awkward in Letterman history and now, a return to Letterman's lair is official. Phoenix is booked for the Sept. 22 show to promote his film, "I'm Still Here." This announcement, of course, is a great excuse to call up the 2009 interview. Enjoy.