New York, NY —As New York tries to figure out what to build at the World Trade Center site, and how to reconstruct Downtown as a whole, there are a lot of people and agencies weighing in. But who really makes the final decisions? The Mayor? The Governor? The Port Authority? WNYC's Andrea Bernstein tries to sort out the players in this excerpt from the WNYC series "Six months: Rebuilding Our City, Rebuilding ourselves."