Sluggish growth in global food markets has diminished the competitive advantage U.S. agriculture derives from its huge resource base and superior infrastructure. Unless robust growth in foreign markets resumes, U.S. policymakers will face a difficult choice - let the market remove farm resources...

A recent surge in U.S. agricultural exports has triggered a wave of optimism about the industry's prospects in the world food market. At the root of the industry's recent export gains are rapidly growing populations and incomes across Asia and Latin America. Adding fuel to U.S. agriculture's...