Columnist Mike Kelly takes a tour of 1 World Trade Center in New York City, where the spire is being assembled high above the ground. He describes how it feels to be looking down upon the city and the memorial pools. "[T]his project is far greater than the sum of its parts," said Bill Baroni, deputy executive director of the Port Authority of New York and New Jersey. "It is perhaps the most important construction project we’ve ever done. It is a moral imperative that we get it right."