How to brutally defeat anyone in a debateWatch
In my experience of doing this, when you reduce someone's position down to a single simple point that you disagree on it's very hard to come up with an argument against it because it's usually two valid differences of opinion based on different outlooks on morality (often, not always) which does not necessarily have an objectively "correct" viewpoint.
It worked a treat for new labour
Debates are for learning, not personal gratification for reaching an arbitrary goal that's considered "winning".
Otherwise, you're defeating the purpose of debate, and you're walking in with a massive chip on your shoulder.
2) Clear and eloquent speaking. (well-timed pauses and a lack of "umm" 's).
3) Use of facts.
4) Somehow make it relevant to the audience.