One of our jobs is to introduce you to people you need to know to do business in this town. Next week, we’ll do just that, revealing those wielding the most influence, either through their position, their connections or their money. That’s right, Power 100 is back. For the second year, the Nashville Business Journal newsroom set out to identify the most powerful people in the city’s business community. We debuted Power 100 last year, aiming for a snapshot of who’s in power right now.