In a home full of young children, among the most common things I hear in the house is why the other sibling is most definitely responsible for wrong doing.  Most recently, my eldest son ran up quickly behind my middle son for a sneak attack, smacked him on the bottom and sent him flying further then was intended. I heard the raucous just in time to see my middle son chasing my eldest son with lightning speed, armed with a heavy school backpack, which successfully gave a retribution blow to the fleeing child.  Needless to say, as I approached the angry middle son first who had just hauled off and…