THINKING HARD ABOUT RUDY I've never voted for Rudy Giuliani in my life. But I'm thinking hard about it now. In both cases, I surprise myself. The rest of America may know Rudy as "America's Mayor" for his ceremonial performance post-9/11, but for New Yorkers who lived through the Dinkins years, Rudy Giuliani is more than a guy who stands tall when the skyscrapers fall. By the late '90s, people were beginning to say that New York City was ungovernable: Remember the court-driven interest group spending, the disorder, the bums taking over the parks and the playgrounds and the street...