Why are they throwing their support to Santorum over kindred spirit/founder Ron Paul?

Why the Tea Party Doesn't Like Ron Paul

A Quinnipiac University poll released this week showed that only 30 percent of tea party supporters likely to vote in the GOP primary have a favorable opinion of Paul.

That’s compared with 79 percent who view former senator Rick Santorum (R-Pa.) favorably, 64 percent who look favorably at former House speaker Newt Gingrich (R-Ga.) and 49 percent who say the same of former Massachusetts governor Mitt Romney (R).