Rick Santorum: Who Is Rick Santorum?

Rick Santorum is getting increasing attention as polls are showing for the first time that he could finish strongly here and have a big impact on the GOP race, CBS News political correspondent Jan Crawford reports. In the Hawkeye State, Santorum is theAs Rick Santorum surges in the Iowa polls, the heat is on from his GOP rivals. Rep. Michele Bachmann (R-Minn.) took a couple of shots at the former Pennsylvania senator on FOX News Sunday.Here's one sign that Mitt Romney's taking

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