Book Short: A Must Read Every once in a while, I read a book and think, “This is an important book.” Microtrends, by Mark Penn, was just that kind of read. Penn is the CEO of one of our largest clients in the market research business as well as CEO of Burson Marstellar and, more notably, the Clintons’ pollster and strategy director for much of the last 16 years. He’s a smart guy, and more important than that, he’s awash in primary research data. The premise of Microtrends is that America is no longer a melting pot, where lots of different people come together to try to be the same, but rather that it’s a big tent, where lots of…