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CNN's Wolf Blitzer asks presidential candidate Rick Santorum about negative ads against him.
RELATED STORY: Santorum takes on Perry and Romney
Ron Paul is confident after a strong New Hampshire finish, but can he do well in South Carolina? CNN's Dana Bash reports.
RELATED STORY: Paul hopes to ride momentum to GOP convention
By Wolf Blitzer, CNN
(CNN) - Allow me to insert some caution in assessing the Republican presidential campaign. As much as so many folks are already suggesting that Mitt Romney has it all but wrapped up, let me suggest that it’s not over yet.
Sure Romney has a solid organization with lots of campaign cash. He’s also blessed with a strong super PAC that can inflict major damage on his GOP rivals. And beyond that, he has some strong political instincts and a wonderful wife and family who are major weapons.
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