If, as everyone keeps saying, celebrity chefs are the new rock stars, then food groupies should keep an eye out for Marcus Samuelsson in the upcoming days. Tipster "youattal" wrote that the Swedish superstar, Aquavit owner and Macy's (née Marshall Field's) Culinary Council member is in town today training staff for tomorrow's opening of Marc Burger. Located on Macy's seventh-floor food court, Marc Burger is Samuelsson's take on the all-American burger joint. Samuelsson is also......

We know that Chicago is a restaurant hot spot. While out-of-town writers particularly tend to maintain the clichés (earned, mind you) of Chicago being a steak and potatoes, deep dish pizza town, out-of-town chefs know the real score. The cover story to yesterday's Sun-Times food section was about the flood of celebrity chefs opening restaurants here in the upcoming months. Laurent Gras is opening L2O, Jose Garces' Mercat a la Planxa is one of the......