Everyone knows that the “genuine designer handbag” going for $20 from a street vendor is neither genuine nor designer, and indeed may not even hold up as a bag. But when you go to a reputable retailer and spend what it costs to replace the tires on your car, you expect to get what the real goods. Alas, Consumer Reports has found: just because there’s a brand name you know on the outside of a tire, doesn’t mean you’re getting what you should be. [More]