As we were watching former Federal Reserve Chairman Alan Greenspan the other day being interviewed about the current state of the economy, he was pessimistic about the economic outlook here and across the globe. That’s not terribly unusual. By his own admission, Alan Greenspan hasn’t been optimistic about the economy in a while. However, there was one item that we did agree with Greenspan on, which is his opinion of negative interest rates. While he didn’t view negative interest rates…