Should the Albertsons and Kroger supermarket chains be permitted to merge? If you live in the Northeast, you might say, “Sure, why not?” Odds are you’ve never been inside either store, because Albertsons supermarkets are all situated west of the Mississippi River, and Kroger supermarkets are all situated in the Midwest and the South. This week’s news (broken by Bloomberg) that the Federal Trade Commission is preparing to file a lawsuit next week to block the merger might puzzle you. Why initiate