Steven Malanga joins Seth Barron to discuss efforts to restrict dollar stores in cities across the country—the subject of Malanga's popular story for City Journal, "Unjust Deserts."

For nearly 20 years, "food deserts"—neighborhoods without supermarkets—have captured the attention of public officials, activists, and the media, who often blame the situation on dollar-discount stores in these areas. These stores, it's claimed, drive out supermarkets with their low prices and saturate poor neighborhoods with junk food. But are dollar stores really to blame for bad diets?