A while back, I was hiking with my dogs when they both simultaneously dove their faces into a bush on the side of the trail. They were a few yards ahead of me, tails wagging with enthusiasm as they looked to satisfy their curiosity. As I approached I shouted, “Leave it,” a command that normally gets them to back away instantly, even from super tempting treats. But they stayed put, sniffing away. Thinking it was a rabbit or other furry critter that had scurried under the bush, I walked up and pulled both dogs away by their collars. Peeking into the bush to see what was so interesting, I was…