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This segment was originally broadcast on Nov. 30, 2012.
Jake Tapper is the longtime chief White House correspondent for ABC News and has just written a new book called The Outpost: An Untold Story of American Valor.
We've invited him to play a game called "It's Mr. Bojangles to you." Three questions for a guy named Tapper about an actual tapper: Bill "Bojangles" Robinson, who some say was one of the greatest tap dancers of all time.