Andy interviews Rusty Frank, author of “Tap! The Greatest Tap Dance Stars And Their Stories, 1900 to 1955.” Rusty interviewed over 30 tap dance legends for this book, including Shirley Temple, Ruby Keeler, Fayard Nicholas of the Nicholas Brothers, Gene Nelson, Donald O’Connor, Ann Miller, Fred Astaire’s choreographer Hermes Pan, and many, many others. It’s…