Amsterdam becoming the car tipping capital of the world?Ever seen one of those little Smart cars? They may be pretty rare in the US, but in Europe you'll have a hard time not being able to find the little buggers. Especially in the major cities of Europe, the small cars are extremely popular, as they are a breeze to park. In fact, they are so easy to park, that many owners can fit two of them in a single parking spot. Smart car owners in Amsterdam may be starting to have second thoughts about their little cars, because of an...