For the next four weeks, we're going to talk about The American Dream. The phrase means something to millions of people: getting educated, moving up, retiring well and buying a home. This weekend’s show places home ownership under a microscope. What should you know before you buy? How should youthink about costs? And whether owning a home is the right decision for you. Plus, a game where you can test your knowledge of famous TV homes and a checklist for homebuyers out there.