The One Times Square building is empty. Why? Because the owner can afford it by selling ad space alone. It costs $300,000/month to advertise on that structure -- one of things you'll learn in this behind-the-LED-screens look at Times Square. Host John Woods takes a look at the crossroads of commerce, and even talks to the owner of Landmark Signs, Tony Calvano, whose company has been maintaining and installing most ads in Times Square since......