MIAMI — With Shane Battier draining nine 3-pointers through two games, it seems like an odd time to bring it up. But it is worth discussing: Zone defense. As the NBA Finals shift to Miami, I can’t help but remember last season: The Dallas Mavericks utilized all their parts and all of their schemes in an attempt to slow down the fast and powerful offense of the Miami Heat. If even for a string of possessions at a time, the Mavs made