What mattered most in these midterms?

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Our election data reporter Christine Zhang explains how double-digit swings in several counties helped Dr. Annie Andrews, a Democrat, defeat Senator Darline Graham, a Republican, flipping South Carolina in the U.S. Senate race.

Democratic sweep or not, politics are about to change.

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Polls show the sister of the late Senator Lindsey Graham in a virtual tie with her Democratic opponent, Dr. Annie Andrews. An upset was unthinkable just a few months ago.

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