No, nothing to do with Mrs. O'Leary's cow. How old do you think I am? But I do have two memories of Chicago blazes, each seen from my car while driving city streets or highways. The first was late at night, in Cabrini-Green, notorious breeding ground for all of America's urban housing-project woes. This was in the mid-1990s. I had just moved back to Chicago, alone, and I still had a car, although I lived in the downtown Streeterville neighborhood and really did not need one. I will mention the make of the car, only because it really does make a difference to the story: imagine a single, young, white woman driving through the projects in the middle of the night . . . in a Saab. What the hell? you might well ask. Well, I was returning home from a late-night excursion in Bucktown or Wicker Park, probably the latter. I really wasn't thinking about where I was, only about where I wanted to go, which was back to my apartment to crash. I was tired. But not too tired to be ...