First speaker is allowed ten minutes to make a presentation. Maybe 15 minutes is allowable if there is time available. First speaker is given two minutes for any comment. Second speaker is given ten minutes to make a presentation. Opponent is granted five minutes, and must ONLY address what the first speaker said.
Second speaker is given two minutes for any comment.
And during the ten or fifteen minute sections, Creationists can only slip in a few falsehoods, which the opponents' five minute rebuttal and the opponents' next ten or fifteen minutes may address. Also, Creationists will not agree to a fair moderator. They will not agree with granting a moderator the authority to interrupt a non-topical discourse. Given these concerns, it is damn difficult to get a debate going. Far better that such a debate never be accepted.