The largest trade show for the nightclub, bar and restaurant industry makes a triumphant return to Chicago in November for three days and three nights of moneymaking seminars, workshops, exhibits and of course, around-the-clock partying, Windy City-style."Chicago is a city unlike any other in the country, and this is a trade show unlike any other," says Ed Meek, director of the Nightclub & Bar/Beverage Retailer Convention and Trade Show, to be held Monday Wednesday, Nov.