I was at Target the other day waiting in line when I struck up a conversation with a three-year old. She was telling me about her new red dress and her upcoming visit with Santa. Her father was busy entertaining her one year old sister. Every once in a while he would look back at his older daughter and make a comment. “You’re not a baby. Stop sucking your thumb.” “Keep an eye on our stuff.” When I mentioned how well the little girl could carry on a conversation he replied, “We’ve been working on it.” To me this three-year old was still just a baby but to her father she…