Chicago’s iconic Old Town Ale House and its colorful patrons are the gateway to Bourdain’s tour of the “City by the Lake,” which includes the host dining on breaded steak sandwiches at Ricobene’s with music producer Steve Albini, sampling Mapo Doufu at Chinatown’s Sze Chuan with Chef Stephanie Izard, and a home cooked meal with Chicago-raised rapper Lupe Fiasco and his mom, plus a tour of comedy mecca Second City with mainstage performer Paul Jurewicz.