Voters in Oregon and Colorado rejected measures that would have required labeling of genetically modified food, Reuters' Carey Gillam reports. The vote was much closer in Oregon than in Colorado. Instead, the fight will shift to the federal level, Gillam reports: "Labeling proponents are pursuing a federal mandate for labeling of GMO foods, while labeling opponents are backing a proposed law that would nullify any mandatory labeling laws, including one approved by Vermont lawmakers earlier this year."