The U.S. ethanol industry's efforts to win public support for putting more corn-based fuel in gasoline has run into a fierce, unmovable enemy: horrible weather. A withering Midwestern drought has reignited the debate over "food versus fuel" as soaring corn prices -- which the Department of Agriculture says will cause as much as a 4 percent spike in retail food prices next year -- become ammunition for livestock as proof that federal biofuels mandates have failed. Go to story #1