Rudy Giuliani's legacy is that he was the luckiest mayor we have had in a long time. He was blessed by being mayor when we had a great national upsurge in the economy. He was blessed by being mayor when we had a national downturn in crime. He was blessed because he had very little to do with either phenomenon in New York, but most New Yorkers and most tourists will think he did. Most celebrants of Rudy Giuliani seem mesmerized by the disappearance of the squeegee men. As I wrote in my book "Rudy," the issue of the squeegees...