"I would love to see this done nationally, but right now we have to depend on states to do this," Sanders says.
However, Sanders worries that big agri-business is buying a victory.
"When companies like Monsanto have an endless end of money, can they ever be defeated in a post-Citizens United world?" Sanders says. "I would simply hope that the people in California study the issues. This is not a radical concept after all. It is being done in 49 countries around the world."
More Health News:
Lauren Fox is a political reporter for U.S. News & World Report. She can be reached at email@example.com or you can follow her on Twitter @foxreports.