Excuse me, I’m just figuring out what to do with my Nobel Prize money. Allow me to back up just a bit:

A couple of months ago, you may recall, I bought a didgeridoo. A didgeridoo is a long wooden tube that is played by Australian Aboriginals. I returned home full of high anticipation, only to be totally let down by the fact that I could not master it in five minutes. In fact, it took me a good three weeks to produce a convincing and sustained sound.

This got me thinking. In a previous...