So, Blockbuster’s genius CEO, Jim Keyes, wants to combine his struggling retail giant with Circuit City. WHY? It’s the kind of deal you can only justify if you’re coming off a major spring break bender. Otherwise, I don’t see how two blocks of lead can float. Why? First, Netflix and Amazon are, respectively, eating each company’s lunch. Second, a successful retail experience is now either big box (Wal-Mart) or deluxe (Apple).