As voters headed to the polls in Michigan on Tuesday, Rick Santorum defended a robo call his campaign used in the state urging Democrats to support its candidate as a vote against Mitt Romney.

But just a few weeks ago on a tele-town hall with Minnesota voters, Santorum decried the mere idea of open elections as polluting the entire primary process.

“We want the activists of the party, the people who make up the backbone of the Republican Party to have a say in who our nominee is as opposed to a bunch of people who don’t even identify themselves as Republicans picking our nominee,” Santorum told voters on the call held January 29. “I don’t like that. I believe that states should only allow Republicans to vote in Republican primaries.”

In stark contrast to his campaign’s more recent courtship of Democrats, in January Santorum told Democrats that if they wanted to vote for a Republican, they should switch their party affiliation.

“It’s the Republican nomination, not the independent nomination or the Democratic nomination,” he said on the call. “If you’re a Democrat and you want to be a Democrat, then vote in the Democratic primary, not the Republican. If you want to vote in the Republican Party then become one.”

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