Check out Bob's column (already available online) from this coming Sunday's Chicago Tribune, breaking the story that chewing-gum heir and Wm. Wrigley, Jr. Co. Chairman Bill Wrigley, Jr. just placed his unfinished Chicago penthouse on the market for $14,000,000, making it Chicago's highest-priced residential listing. Wrigley also just officially placed his mansion in Lake Forest, Ill. on the market for $14,500,000 after previously having it for sale privately for $16,000,000. Bob also breaks the news that Wrigley paid $11,000,000 in April through an LLC company for a mansion on Lake Worth Lagoon in North Palm Beach, Fla. And, Wrigley paid $11,530,000 through a different LLC company in May for some land in Aspen, Col.

Also featured: former Chicago Bears and current Houston Texans quarterback Rex Grossman reduces the asking price of his 2,437-square-foot, 36th-floor unit in Chicago's Trump International Hotel & Tower from $2,350,000 to $2,295,000.