In 1854, a group of engineers and railroad businessmen drew a straight line from Philadelphia to the New Jersey coast, built a railroad along the line, and created Atlantic City. From the 1850s to the 1950s, the city attracted the creme of American society and the working class alike and gave birth to the beauty pageant, rolling chair, boardwalk, saltwater taffy, jitney, and the successful Monopoly board game. But the onset of air travel in the 1950s and the aging grand hotels brought Atlantic City to its knees. The opening of Resorts International in 1978 and the prosperous gaming business...