Chicago’s tallest building is being recognized for its standing atop another category: energy efficiency.
Big changes are in the works for Willis Tower. Architecture critic Blair Kamin gives us his read on that and the latest on the South Works project.
Willis Tower & Trans Fats
In tonight's Viewer Feedback, we share your reaction to the news that Chicago's Willis Tower will be stripped of its status as the tallest building in America, and your opinion on the FDA taking steps to ban trans fats.