In this issue, Walmart is thinking “out of the ‘big box’” and that has architects taking notice. Plus, find out how a building’s design can help lower Texas’ obesity rates. Discover how computer-generated design, performance art and architecture have found a ready-audience in the City of Dallas. And get acquainted with Jeff Potter, a Dallas architect to serve as the 2012 national president of the American Institute of Architects. … All this and more in the new Winter 2011 issue of the award-winning ‘Columns’ magazine. [Advertise by contacting 214.232.7126 or whrobert@tx.rr.com.]