Listening to Newshour yesterday, I heard Mark Shields propose something I had not heard mentioned before, splitting the Michigan/Florida delegates 50/50 between Clinton and Obama. I'm not the best at math, but as I'll show below, that along with a number of other apportioning scenarios would be a death blow to her campaign.
There are 610 pledged delegates left in the primaries. Making a rather large assumption, let's say they split them at 305 a piece. That would get Obama to 1870 delegates, assuming his current count of 1565. Now with the 50/50 split of 185 delegate Florida and 128 delegate Michigan that would get him to 2026. Game over...without any more supers. If we assume revotes and give Hillary a 60% victory in Florida and a split in Michigan, he gets 2008, only 17 superdelegates away from victory. You can shift the margins to account for bigger Hillary victories and it still seems unlikely that he would get anything less than 50 of the remaining superdelegates. Therefore, I predict that Hillary will fight to the death ANY effort to apportion the Michigan/Florida delegates in any form other than counting the votes of the disqualified primaries. Conversely, revotes looks to be a pretty good strategy for Obama.