Standing on the grass between our houses, I got into a philosophical discussion with my friend. I had to be eight or nine years old and we got into a deep question. Are we animals? We had to know. It was important. We couldn’t agree, but we had resources to find out. All we had to do was run home and consult the authorities. This was years before home computers, let alone the internet.So… we asked our moms. My friend reported back and said yes, ...