 But they're unlikely to get. Many viewers, coarsened by recent politics, will probably be disappointed if they don't get a cage match, no matter how much microphone muting CNN's moderators impose. Daniel Henninger referencing the debate rules tonight. Here are those rules released by CNN earlier this month. It's a 90-minute debate with two commercial breaks throughout those 90 minutes. There's no props or pre-written notes allowed on stage. Candidates will be given just a pen and a pad of paper and a bottle of water.