Trenton, like the state of New Jersey, is often maligned these days, but there was a time when Trenton was the fiftieth largest city in the United States and boasted worldwide leaders in the iron and steel, rubber, and pottery industries. Like many cities of its comparative size and prowess that came of age in the Industrial Revolution, Trenton diminished in the aftermath of World War II and has become, for many, one of the "lost cities"--a place...