DES MOINES, Iowa - An odd thing has happened in wheat country ? a lot of farmers aren't planting wheat. Thanks to a global grain glut that has caused prices and profits to plunge, this year farmers planted the fewest acres of wheat since the U.S. Department of Agriculture began keeping records nearly a century ago. Instead of planting the crop that gave the wheat belt its identity, many farmers are opting this year for crops that might be less iconic ...