A reminder of what's at stake: Democrats have already secured the upper chamber's majority with victories in other states, but the Senate runoff race between Democratic incumbent Raphael Warnock and Republican challenger Herschel Walker still matters.
Georgia's special election will determine whether the chamber remains evenly split at 50-50, which proved to be a difficult tightrope for President Joe Biden and the Democrats.
If Warnock wins, the 51-seat majority gives Senate Democrats control of committees and frees them from leaning on Vice President Kamala Harris to cast tie-breaking votes.
If Walker wins, that keeps the pressure on Democrats to remain united. It also gives their caucuses' moderate to conservative-leaning senators more power in terms of close judicial nominations or other important administrative confirmations.
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This article originally appeared on USA TODAY: Follow the results of the Georgia runoff, more top political news