Losing 49 to 42 to clinton - on March 20.
Leading 48 to 47 - on March 22nd
So nationwide, among democrate voters, 1 in 10 democrat voters changed who they would prefer.
Know why?
Because the media stopped talking about the crazy pastor, and started talking about passport issues.
Any poll saying McCain leads Obama by 1 or 10 points at this point doesn't matter much, just the same. General election polls, between the liberal McCain and liberal Obama, will jump around too.