Who doesn’t love Wal-Mart? I mean, how could you not? They roll back prices, they have happy retirees welcome you to the store, they refuse to promote women, they ban books and music from their stores based on their own ideas of propriety…it’s nearly a utopia. Unfortunately for one Washington Post photographer, Jim Thresher, his and his lover Laura’s blogumentary of their all-expense paid trip across our great nation resulted in a roll back of…