At the dawn of the twentieth century, a great confidence suffused America. Isaac Cline was one of the era's new men, a scientist who believed he knew all there was to know about the motion of clouds and the behavior of storms. The idea that a hurricane could damage the city of Galveston, Texas, where he was based, was to him preposterous, "an absurd delusion." It was 1900, a year when America felt bigger and stronger than ever before. Nothing...