America is not just the land of red-blooded capitalism. It has an esoteric tradition of capitalist altruism, too. Take Trader Joe’s, an own-label grocery chain like M&S in Britain. It somehow retains a local-community feel, like an indoor farmers’ market with good prices and wonderful staff, despite having 549 stores. Whole Foods Market, a 530-store Mecca for well-heeled health nuts and epicureans, has a similar vibe. Or at least it did…