This morning I saw a dog in my neighborhood barking. The trash truck had pulled up. A young worker stepped down from the truck with several dog treats in his hand. He tossed the treats onto the pavement inside the nearby yard, and the dog immediately stopped barking and started gobbling up the treats. By the time the dog finished snacking, the guy and the trash truck were gone. They have this thing down to a science! The incident brought to mind a sadly, near-universal truth–a “dog” will stop barking for a treat.” This simple principle explains how we’ve ended...