I find this staging of polling for Approval interesting. It does allow for substantial refinement of voter understanding of the situation prior to casting their votes. It would also be exciting to watch.....
The hardest part to sell would be, however, the random selection of stage to determine winner. Yes, I understand it and think it might be a good idea. Certainly it would be better than what we have! ---- election-methods mailing list - see http://electorama.com/em for list info