If you go down to the river, you may see a fisherman. Ask him — they are almost always hims — whether a hook in a fish’s mouth hurts the fish, and you’ll hear what I always hear: “No. Fish don’t have any feelings. They don’t feel pain. A hook doesn’t hurt them.” Logic tells me that this can’t be true. Occam’s Razor First, let’s think about just our own species.  I whack my thumb with a hammer or touch it with a flame or poke it with a pin.  I immediately feel pain. I jerk my hand back.  While the details of the sensation of hammer, flame, and pin may differ, the response to all is the same. What happens looks like this:…