I've seen this suggestion made elsewhere and agree. One of the concerns raised was relative tv time being that things would be skewed towards the incumbent. To

I've seen this suggestion made elsewhere and agree. One of the concerns raised was relative tv time being that things would be skewed towards the incumbent. To this I would propose exposure (tv, radio) inversely proportional to how the candidate does in polling, primaries etc. that is the weakest candidate get the most time... Presumably, the positions of the incumbent are already well known.