When his next-door neighbors in a quaint New England town suddenly pick up and move to a gated retirement community in Florida, Andrew D. Blechman is astonished by their stories. Larger than Manhattan, with a golf course for every day of the month, two downtowns, its own newspaper, radio, and TV stations, The Villages is a city of nearly one hundred thousand (and growing), missing only one thing: children. More than twelve million people will soon...