As I write this column, I've just returned from what can only be described as a full-on shopping spree at Banana Republic. Now, lest you think this column is about my fall wardrobe, let me explain. I am a huge fan of discounts. I eagerly awaited the opening of the first Target in Manhattan and was there on the second weekend, lugging my purchases home on the bus in a (canvas, of course) shopping bag. And one of the most ...