For the second election in a row, the final makeup of the U.S. Senate comes down to a runoff election in Georgia, with sitting Senator Raphael Warnock — who was elected in the runoff in January 2021 — facing Republican challenger Herschel Walker. Although Democrats have already won a razor-thin majority in the Senate, this election will still have enormous impact for each party’s ability to pass or lock legislation in that chamber. As Georgians go to the polls and wait for results today, here are five things to look out for.