Why India Shouldn't Fear Wal-Mart

India's Parliament is in the middle of a big political brawl over the issue of fully opening up its vast retail sector to foreign investors. It started last week, when the Cabinet approved a plan to open "multibrand retail" (i.e., supermarkets and stores that sell a variety of branded products) to 51% ownership, a move that has sparked a furious uproar in Parliament. The debate can be handily reduced to one question: Should India allow Walmart, the world's biggest retail company, free rein into the world's biggest untapped retail market?