Rick Santorum Continues to Surge

The former senator now leads Romney by double digits in national polls.
2:59 | 02/20/12

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Transcript for Rick Santorum Continues to Surge
The spike in gas prices -- just one curve ball in the presidential race underway which is already seen its share of unexpected twists including the latest surge from dark horse for Sen tore up. Now leading Romney by ten points nationally the first time he's had double digit lead in c.'s Jon Karl has more on your voice your vote tonight. Rick Santorum ventured into Ohio today looking more and more like the front runner played a visit to do whatever you want to do. -- -- -- -- -- -- -- Santorum spent a lot of time lately talking about what people bought it ought not to do. Most recently he's taken aim at insurance coverage for prenatal testing. Which Santorum says leads to more abortions of children with birth defects and -- discovered in the world. Doctors. Encourage. In some cases almost insists. That they import these children. Santorum says the issue is personal for him because his three year old daughter was born with a genetic disorder often detected in prenatal tests. I -- -- asked -- only eighteen. Almost a 100% attracts only eighteen children are encouraged to be aboard it. So I don't know what I'm talking about here santorum's commitment to social issues is clearly heartfelt but privately some top Republicans -- BC news. His views would be a disaster for the party driving away independents moderates and women. Just over the past week or so Santorum has had to explain his personal opposition to birth control and two women in combat. And over the weekend Santorum seemed to question the president's religion. In a speech attacking his energy policy. It's not about your jobs. It's about some -- -- deal. Some -- theology. Or not ideology based on the -- -- theology. Santorum says he was talking about the president environmental views not his religion. Although look county's own spokesman slipped up today when she tried to say radical environmentalist. Is referring to the president's policies and -- -- The radical Islamic policies -- president has. As for Mitt Romney in new numbers out today show that his supporters. Have spent fourteen million dollars on ads attacking his Republican rivals Romney's campaign has spent millions more and still he finds himself trailing Rick Santorum. All of this -- has caused some real angst -- Republican leaders including one top Republican senator. Who told me that Romney loses in Michigan. The party needs to find a new candidate to get into the race but how many are there -- people who think up better than serious about this that would be seismic. Others real angst but most people think Romney still finds a way to pull this out -- -- only ten states where it's possible to still get on the ballot this would have to be caught. Fought out at the convention and the candidates you hear about Jeb Bush Mitch Daniels Chris Christie. All of -- have said firmly there's no way they're getting -- so other probably stuck with a feel they have.

This transcript has been automatically generated and may not be 100% accurate.

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