The Smithsonian Magazine‘s Vicky Gan looks at “The Story Behind the Failed Minstrel Show at the 1964 World’s Fair.”“Remarkably, the musical received support from the NAACP. The organization, understandably turned off by the minstrel show label, was critical of the production at first, but after seeing a Boston preview NAACP officials reversed their stance, praising the revue as an ‘asset for…