The problem which The Presidential Commission on Debates is trying to fix is a breaking of norms for personal advantage in a way that destroyed the exercise.

If you believe that the first debate was the most revealing ever, offering what John Kennedy said was television’s “uncanny“ ability to reveal the inner character of a candidate, then the “fix“ will make the next debates less revealing.

Or, based on what the fix the COPD ultimately comes up with, you have an answer to this sentence: "The COPD changed the rules because ________ kept breaking them" where the answer is one of the three participants in the first one. No joint and several liability.