A common sense crop for America’s common good

Four years ago, Michelle Obama picked up a shovel and made a powerful symbolic statement about America’s food and farm future: She turned a patch of White House lawn into a working organic garden.

That was a great move, earning kudos from just about everyone this side of Monsanto and the pesticide lobby. But now, as she begins another four years in the people’s mansion, the first lady is probably asking herself: “How can I top that? What can I do this time around to plant a crop of common sense in our country’s political soil that will link America’s farmers, consumers, environment and grassro...