How Do You Map America’s Food Deserts?

[Read](http://feeds.wired.com/c/35185/f/661370/s/30cc2b1e/sc/19/l/0L0Swired0N0Cdesign0C20A130C0A90Cdata0Evisualization0Ehow0Efar0Eamericans0Ehave0Eto0Etravel0Eto0Eget0Egroceries0C/story01.htm “Wired”) (Wired)