I'm still catching up on my reading. Today, on a train to New York City, I finally had an opportunity to read Warren Buffet's letter to shareholders. Here are some of my favorite insights: A lesson on the dangers of commoditization and how prevalent it is -- Here's a telling fact: Of the ten non-oil companies having the largest marketing capitalization in 1965 (titans such as General Motors, Sears, DuPont and Eastman Kodak), only one made the 2006 list. An insight virtually any CEO could learn...