Here is a story you’re unlikely to read in the spate of press attacks on Wal-Mart these days: When Hartford, Connecticut, tore down a blighted housing project, city officials hatched an innovative plan to redevelop the land: lure Wal-Mart there, entice other retailers with the promise of being near the discount giant, and then use the development’s revenues to build new housing. Wal-Mart, after some convincing, agreed, and city officials and neighborhood residents celebrated a big win — better shopping, more jobs, and new housing in one of America’s poorest cities. But then, out of nowhere, outsiders claiming to represent...