Nostalgia may be all that Rod Blagojevich is good for at this point. Has anyone ever felt more like yesterday’s man? The trial was fun but summer’s over, and the next time he’s in the dock — possibly pleading poverty and represented by a couple of 26-year-old public defenders — the news media and Chicago will wish he were anywhere else. Chicago newsgatherers already have new fish to fry — Chicago’s got to pick a new mayor!