The appeal of kitchen gardens – food you grow for the table – has been increasing pretty steadily. Taste bud by taste bud. But this year, a harmonic or maybe disharmonic convergence of factors led to a giant leap in the number of grow-it-yourselfers. For one thing, there’s the rising cost of food – 45 percent worldwide in two years. There’s also the rising consciousness about the carbon footprint on your dinner plate. There is, as well, recognition of an international food shortage and moral queasiness about biofuels, growing corn to feed cars while people are going hungry. Meanwhile, we’ve had more uncertainty about food safety, whether it was spinach in 2006 or this year’s tomatoes. And the floods that ruined millions of acres in the Midwest have undermined our easy sense of plenty. [...] [Roger] wants the candidates to pledge they’ll turn a piece of the 18-acre White House terrain into an edible garden. Or rather, return it into an edible garden. After all, John Adams, the first president to live in the White House, had a garden to feed his family. Woodrow Wilson had a Liberty Garden and sheep grazing during the First World War. And, of course, the Roosevelts famously had their Victory Garden during World War II, a time when 40 percent of the nation’s produce came from citizen gardeners. It’s too late for a Bush harvest, but the campaign to get the next president to model a bit of homeland food security has sprouted on Doiron’s website called EatTheView.org.