Three years ago this week, at the September Sale, I was privileged by as powerful a reminder as I'd enjoyed in a long time as to why this is such a great business. Not in the sale ring itself, watching the billionaires puffing out and locking antlers, but just sitting in the pavilion lobby with a guy who had been born in a one-room house to teenage parents--and had spent the intervening seven decades accumulating the kind of riches, being contingent on a mighty intellect and noble heart, that would...