The preseason bubble picture

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Welcome to the expanded edition of Joe Lunardi's Rundown. Later this season, this series will feature "Tournament Odds," an element that will take you deeper into Bracketology. Bracketology provides a snapshot of how the bracket looks on a specific day, but through the use of Lunardi's extensive database of previous seasons, Tournament Odds tells you how the bracket likely will look come Selection Sunday. Today's installment is the first for the 2012-13 season.