(This is another in a series of 30 guest columns that will run in October, when optimism reigns supreme across the NBA. The theme will be “Five Reasons to Feel Positive About … ” We encourage you to follow the authors on Twitter and visit their sites. – CS) Honestly, it’s nearly impossible to list just five reasons to feel positive about the NBA champion Miami Heat. The “Big Three” could take up three spots by themselves, and the fact that