“Last year, the city hosted more than 10 million visitors, many to sample that cuisine and music scene, and was on track this year to eclipse those figures. The city also was having success with tax incentives to film companies, making it possible for the filming of “All the King’s Men,” “The Skeleton Key” and parts of “The Dukes of Hazzard” and other films. Now, the bedrock and lifeblood of the city and the culture that it spawned have been threatened by flood waters and disease and a forced exodus.”