Cityfront Hotel Associates Limited Partners, owner of the Sheraton Grand Chicago, and Dream Team Hotel Associates, owner of the Westin Times Square in New York, sued Marriott and Starwood in New York state court on Tuesday, arguing the merger will hurt their business. The Starwood purchase has been a long haul already for Marriott, including a month-long bidding war with China’s Anbang Insurance Company. Valued at $12.9 billion based on Monday's closing prices, it would create the world's largest hotel operator by room count and give Marriott 10 new brands, including Sheraton, W, St. Regis, and Westin. It is scheduled to close midyear. Get the full story at Bloomberg