A sneak peek at the new-and-improved Dallas skyline, if you look close enoughI'll leave it to Sam to interpret the convention center hotel documents that went online Sunday in advance of the city council's Economic Development Committee's jam-packed meeting this morning. (Takeaway: Open by January 1, 2012; costs $346 million; contains 1,016 rooms.) In addition to the 113-page briefing titled Convention Center Hotel Project Update and Move Forward: Setting Parameters for Bond Sale, th