SANTORUM'S BASE IN MICHIGAN: DEMOCRATS?

My head is spinning. First CNN tells us that a Michigan Democratic strategist has put out a robocall urging Democrats to vote in the Republican primary for Rick Santorum just to embarrass Mitt Romney. Then we learn that Santorum's campaign admits putting out its own robocall to Democrats. And then I see Public Policy Polling tweeting the fact that its Monday polling in Michigan showed Santorum over Romney by 5 points, and Democrats are the reason:

Romney leads among Republicans in Michigan. It's Democrats putting Santorum over the top. We'll see if they really show up...

Well, Michigan had the quintessential Reagan Democrats -- socially conservative, wary of urbanity, but pro-union. Santorum's own robocall shamelessly plays on the latter sentiment by denouncing Romney for opposing the auto bailout -- without mentioning that Santorum also opposed it:





The Michigan Democratic strategist's robocall is very different:

In his robo call, DiSano says "Democrats can embarrass Mitt Romney and expose him as the weak frontrunner that he is, by supporting Rick Santorum on Tuesday."

So are Democrats really going to put Santorum over the top? And if so, which Democrats? And what will the media takeaway be? Santorum won but didn't really win? Santorum might be stronger than Romney against Obama in the Rust Belt? Hard to foresse. It could be anything.

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UPDATE: The PPP poll is here.