A restaurant group known for mediocrity brings more of it to Michigan Avenue. by Mike Sula There's something about getting seated in Siberia for no logical reason that really allows you to let down your guard. That's what happened one evening at Remington's, the new Michigan Avenue "American grill" from the 4 Star Restaurant Group (Dunlays, Frasca, Smoke Daddy, etc) and the Chicago homecoming of the immensely talented chef Todd Stein, who spent the last year...