Some time ago, when I was in high school, I was a short, bookish guy with thick glasses. Yes, I know this is hard to imagine. I decided to try out for the debate team. The topic for debate that year was "Should the UN be significantly strengthened?" I was assigned to the first negative and after the first "warmup" debate within the team, our coach, Mr. Ryan, taught me a lesson I have never forgotten.
"Well," he said, " that was a good first debate. Great energy. With some improvement you will be a great team. However, here are some thoughts. First, this is not mudwrestling, and we need to understand the difference. Some of you were surprised by your opponent's argument. The reason? You had not argued both sides of the question. So that is the assignment for next week. We will have another debate and you will not be assigned your part till then. We will draw straws at 3:30pm to decide your part. The thought of knowing both sides of an issue had never occured to me. Now it was the very first rule.
Mr. Ryan went on," The second skill I am about to teach you is deadly. It is "My honorable opponent." Before you make a key point, first you say, "My honorable opponent has said," and then state EXACTLY and FAIRLY what your opponent has argued. The mistake most people make is that they never can do this. Once you have done this, the audience thinks," Wow, what a wonderful guy he is". Then you pause ever so slightly as if to smile. Show some confidence. Then you say the magic word "HOWEVER." Then you take your sword and slay your opponent. verbally of course.
Thus, it would go like this. "My honorable opponent has said that the sky is green." (pause) HOWEVER, pause) my opponent is mistaken, It is clearly blue." Remember, always elevate your opponent before you slay him, figuratively of course. This is why before every sporting event, when the TV announcer asks what the coach thinks of the opposition, you would think that the opponent is the greatest team that has ever played the game. He is preparing the prey for the harvest. You are to do likewise.