The new musical biopic The Greatest Showman starring Hugh Jackman is shining the spotlight on the life and time of Phineas Taylor Barnum. Although the legendary circus showman died before the Columbian Exposition opened in Chicago in May of 1893, Barnum penned some thoughts on the upcoming World's Fair--then slated for 1892 in a still undetermined city. His short piece was published in March 1890 issue of The North American Review. Perhaps the greatest showman on Earth would have enjoyed the "stupendousness of [...]