The polling is done, the last ads have been bought, and the last text messages have been sent. Voters are voting. Now all we can do is wait and watch. But what should we be watching?

The first polls to close in tight races are in South Carolina and Georgia at 7 p.m. Eastern. If the race between Sen. Darline Graham (R-SC) and Democrat Annie Andrews is tight, or if Andrews is ahead, expect a bad night for Republicans.

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