Only in the Bayou State do Louisianans travel door to door on horseback collecting gumbo ingredients for Mardi Gras gatherings. Residents compete in egg p?quer contests to see who can crack their opponent's Easter egg first. Louisiana is a place where frequent collisions with natural disasters can inspire a drink like Pat O'Brien's famous hurricane. And the state's history is filled with colorful figures like Governor Earl K. Long, whose wife committed...