We're looking at how to build something that lasts. First, those brightly colored blocks that we all played with — and some of us still do. Wharton professor David Robertson explains how Lego, the company, went wrong when they tried to innovate the same way as everyone else. Then, Daniel Brook, author of “A History of Future Cities,” describes the great cities of the past and what the super cities of the 21st century can learn from them. Plus, if today's elementary school kids are going to be the engineers of tomorrow, they need better building blocks.
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