In its first seven years, the North American Free Trade Agreement (NAFTA) tripled trade and quintupled foreign investment among the U.S., Mexico, and Canada, increasing its share of the world economy. In 2001, however, North America peaked. Since then, trade has slowed among the three,
manufacturing has shrunk, and illegal migration and drug-related violence have soared. At the same time, Europe caught up, and China leaped ahead. In The North...