"In September 2011, sheriff's deputies in Iowa encountered three neatly dressed Asian men at a cornfield that had been leased by Monsanto to grow corn from patented hybrids. What began as a routine inquiry into potential trespassing blossomed into a federal court case that saw one of the men -- Mo Hailong, also known as Robert Mo -- plead guilty to conspiracy to steal trade secrets from U.S. agro-giants DuPont Pioneer and Monsanto on behalf of the...