Welcome back to auto show season, with worldwide coverage led off by the 2001 Frankfurt International Motor Show; it's been quite an unusual event this year. Due to the tragic events in New York, many manufacturers respectfully cancelled their press releases, while bomb threats to the exhibition grounds prevented other activities from occurring. And though journalists remained there to cover the event, it was clear their hearts were elsewhere. Our corps of editors remained focused on their purpose, however, and has prepared the following list of new-car and concept reviews.