John Hagel writes: "In a conversation with Jack Welch earlier this week, he raved about Rich Kaarlgard’s recent column in Forbes on “World’s Worst Disease”. No, Rich is not talking about cancer, AIDS or avian flu – he is talking about “zero-sum thinking” – the belief that if one person gains, other people must inevitably lose. ¶ Rich focuses on a significant rift in our society. In fact, this is perhaps the most fundamental rift in any society. It ultimately determines whether the society is progressive and dynamic or stagnant and conflict-prone. ..." Link: Edge Persepctives.