Check out Bob’s breaking-news alert from the Chicago Tribune’s Chicago Breaking Business site on Friday, where he broke the story of JP Morgan Chase & Co. Chairman and Chief Executive Officer Jamie Dimon slashing the askng price of his 18-room, 13,500-square-foot mansion on Chicago’s Gold Coast from $9,500,000 to $6,950,000. In the same post, Bob also breaks the news of Chicago real estate mogul Richard Klarchek hoisting his 13-room duplex condo unit in Chicago’s Four Seasons hotel on the market for $11,500,000, making it one of the city’s single highest-priced listings.

Check out Bob’s weekly real estate column from today’s Chicago Tribune (which was uploaded to the Internet on Friday) in which Bob breaks the news of WMAQ-TV/”NBC-5″ news anchor and reporter Marion Brooks having her seven-room condominium unit in Chicago’s West Loop neighborhood under contract after having it on the market for $429,000 (and prior to that, for $499,000, $650,000, $675,000, $700,000, $775,000 and $780,000).

Also featured: Bob breaks the news of the identity of the buyer of that 11,000-square-foot mansion in Chicago’s Lincoln Park neighborhood that appeared in his column wrote about several weeks ago and that we subsequently directed our readers to. Bob exclusively reported that the buyer is Joseph Nicholas, who is the founder and chairman of Chicago-based Hedge Fund Research, Inc.

Check out Bob’s weekly column in the Chicago Tribune’s real estate section from one week ago, in which Bob broke the news of Dallas Stars winger (and former Chicago Blackhawk) Adam Burish recently placing his two-bedroom, duplex penthouse condominium unit in the Caravel building in Chicago’s River North neighborhood on the market for $1,050,000.

Also featured: Bob writes about Florida Panthers General Manager Dale Tallon — also a former Blackhawks player (and a former Blackhawks general manager) — listing his four-bedroom, 2,384-square-foot house in Lake Forest, Ill. for $659,000.

The column also contains a lengthier version of Bob’s exclusive about now-suspended ESPN commentator and AOL Fanhouse columnist Jay Mariotti having his Vernon Hills, Ill. home under contract after having it on the market for $655,000. As we have noted elsewhere on this blog, Bob previously had broken the story about this in a Chicago Tribune breaking sports alert that first hit the wires on Aug. 23.

Check out Bob’s breaking-news alert in the Chicago Tribune from Aug. 23, when he broke the news of now-suspended ESPN commentator and AOL Fanhouse columnist (and former Chicago Sun-Times columnist) Jay Mariotti, who recently went to contract to sell his four-bedroom, 4,200-square-foot house in Vernon Hills, Ill. after it had been listed for $655,000. Mariotti was arrested in August in Los Angeles, where he now lives, on suspicion of felony domestic assault after allegedly pushing and shoving his girlfriend.

Check out Bob’s weekly real estate column in the Chicago Tribune from two weeks back, when he broke the news of Chicago Bears cornerback Charles Tillman listing his five-bedroom house in Green Oaks, Ill. for $1,399,000.

Also featured: Bob wrote about a mansion in Chicago’s Lincoln Park neighborhood that just sold for $8.5 million, and Bob broke the news of a 30,000-square-foot mansion in Burr Ridge, Ill. — known as “Villa Taj” — that once was available for $25 million and now has come back on the market for $13 million.

Check out Bob’s column from this coming Sunday’s Chicago Tribune (but available online now!), in which Bob breaks the news of former Chicago radio personality Jonathon Brandmeier listing his mansion in Malibu, Calif. — which overlooks the Pacific Ocean — for $7,995,000.

Brandmeier now owns — and Bob is the first one ever to report this — a 7,910-square-foot mansion in Chicago’s River North neighborhood that he purchased in 2007 for $4,460,000.

Also featured: former Cook County Board President (and onetime national figure) Dick Phelan sells his 20th-floor, penthouse condo unit in Chicago’s Streeterville neighborhood for $2,275,000. And, Bob breaks the news of Chicago TV anchor Dick Johnson selling his 16-room Williamsburg Colonial-style home in Burr Ridge, Ill. for exactly $1,000,000.

Check out Bob’s weekly column in the Chicago Tribune last week, where Bob reported on Chicago TV sports anchor Megan Mawicke having her two-bedroom condo unit in Chicago’s River North neighborhood on the market for $459,000.

Bob also reports on former Chicago city official Frank Kruesi selling a house on Chicago’s Northwest Side — that was designed by architect Andrew Rebori — for $363,000, and he also offers a host of updates about other items that he’s written about in the past, including Chicago TV anchor Dick Johnson going to contract to sell his home in Burr Ridge, Ill., a price reduction on a Lake Shore Drive condo by former Johnson Publishing executive and Chicago socialite Linda Johnson Rice, a price reduction on a Gold Coast condo that is owned by Chicago concert and theater promoter — and local gossip-column fixture — Arny Granat, and an update on veteran TV writer Kay Alden’s Gold Coast penthouse auction, which was called off at the last minute a few weeks ago.

Check out Bob’s weekly column in the Chicago Tribune this past Sunday, where Bob breaks the news of Chicago Blackhawks right wing Marian Hossa paying $2,350,000 to buy a three-bedroom, 3,940-square-foot condominium unit in a high-rise building in Chicago’s Streeterville neighborhood.

Also featured: Bob exclusively reports on a house at 2215 W. Roscoe Street in Chicago’s Roscoe Village neighborhood that was designed by architect Jarvis Hunt that has come on the market for $699,000. And, Bob breaks the news of the $1,500,000 listing of a house at 26W108 Tomahawk Drive on 4.2 acres in the dense Arrowhead subdivision — which includes a 3-acre lake.

Check out Bob’s July 25 weekly real-estate column in the Chicago Tribune, where Bob breaks the news of Chicago TV reporter Sarah Schulte cutting the asking price of her condominium unit in Chicago’s Lincoln Park neighborhood to $659,900.

Also featured: Bob exclusively reports on a 19-room, French Provincial-style house at 1164 Shamrock Court in Naperville, Ill. coming on the market for $5,190,000, making it the super-suburb’s highest-priced listing ever. And if the mansion sells for anywhere near the asking price, it would be Naperville’s highest-priced sale ever (a 12,000-square-foot mansion sold in 2008 for $4.95 million).

The column leads off with an item about Hyatt Development chairman and CEO Nicholas Pritzker listing his mansion on Lake Michigan in Covert, Michigan. We previously featured that listing here at this blog when we ran a Chicago Tribune breaking-news alert about it.

Check out Bob’s exclusive breaking-news alert that ran on the Chicago Tribune’s “Breaking Business” website today that broke the story of Nicholas Pritzker of Chicago’s (highly secretive) billionaire Pritzker family listing his 45-acre estate in Covert, Mich. — complete with a 7,325-square-foot, contemporary-style mansion and 425 feet of frontage along Lake Michigan — for $4,950,000.