The owner of Chicago's old post office building has unveiled a grandiose plan for redeveloping the vacant property and the area around it, including a 2,000-foot skyscraper that would dethrone Willis Tower as the city's tallest building.
After more than 90 years on Michigan Avenue, the Wm. Wrigley Jr. Co. is preparing to leave the building that bears its name. Wrigley will move employees to its Goose Island campus.