Deja vu: Wal-Mart, Amazon, Target in DVD price war

(AP) -- Wal-Mart Stores Inc. is upping the ante heading into the holiday season, trimming the online preorder prices of some upcoming DVDs following last month's price cut on books.

Study finds serious challenges to 'New Urbanist' communities

As New Urbanist communities expand nationwide, a study from the University of Colorado Denver shows the increasing challenges of balancing complex traffic engineering systems with the ideals of walkable, sustainable neighborhoods.

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