Conventional wisdom says the primary is pushing the candidates to the right, but on some issues they're more hawkish than the base.
Largely overlooked in the Arizona and Michigan showdowns between Mitt Romney and Rick Santorum were signs of resistance from GOP primary voters in each state to key positions held by both men.
Both Santorum and Romney have opposed any pathway to citizenship for the estimated 11 million illegal immigrants in the U.S., with Romney embracing a policy of toughened workplace enforcement that would encourage "self-deportation."
But according to the CNN exit poll from Tuesday's Arizona primary, just 31 percent of Republican voters said that the U.S. should seek to deport all illegal immigrants. A 36 percent plurality instead they should be allowed to apply for citizenship; another 27 percent said they should be allowed to stay as temporary workers.
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That was virtually identical to the results among GOP voters in last month's Florida primary. In that exit poll, 30 percent of Republican voters said they supported deportation; a 38 percent plurality said illegal immigrants should be allowed to apply for citizenship; and the remaining 27 percent said they should be allowed to stay as temporary workers.