Addendum of the Day

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Addendum of the Day: Of course, tonight's real winners were Edith Feffer and Carolyn Tallett of Clinton County, Iowa, who stole CNN After Dark's caucus night circus with their endearing brand of folksy number-crunching.

[@alivelshi / video: mattchew03.]

Breaking News of the Day

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Breaking News of the Day
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Breaking News of the Day: In one of the closest candidate-selection races in US history, Rick Santorum and Mitt Romney switched places several times during the night, but a down-to-the-wire photo finish put the former Governor of Massachusetts ahead by a virtual-tie margin of 8 votes.

To put that in perspective, over 122,000 people turned out to vote.

Among the other candidates,