The results of pivotal races in Arizona and Nevada that could determine which party controls the Senate remain up in the air, and it could take several more days until there's clarity on who won, but the types of ballots and where they were cast could give some clues to which candidates hold the

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Mark Kelly is waiting to speak during a news conference. The photo was taken by Joe Raedle.

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In Arizona, the incumbent Democratic senator Mark Kelly leads his Republican challenger by a wide margin.

In Nevada, Republican challenger Adam Laxalt leads incumbent Democrat Catherine Masto in the Senate race by a wide margin.

President Joe Biden narrowly carried the state of Arizona in 2020 and many of the votes still need to be counted in the state.

Problems with tabulator machines at many polling sites caused the vote count to be slowed and early ballots need to be counted as well.

In Arizona, early votes tend to favor Democrats, while election day votes tend to favor Republicans.

Nevada's outstanding vote is mostly in Clark County, which is home to Las Vegas and slightly favors Democrats, and many of the votes that remain to be counted are from ballots that were mailed in or left in drop boxes.

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The vote totals are expected to be updated at 6pm. It may take several more days to process all the ballots. It's not clear when Clark County will release more results, but it could take until next week to count all the votes.

Key Background

The Arizona and Nevada Senate races are two of the three contests that the Associated Press hasn't projected a winner in. To take control of the Senate, both parties need to win at least two contests. Republicans were expecting a red wave that would give them control of both the House and the Senate, but they were disappointed. Republicans have failed to flip a single Senate seat held by a Democrat, and while they are on track to win the House, it will likely be by a much smaller margin than they had expected. The Republicans have failed to win any of the most competitive governor's races so far.

Tangent

Some of President Donald Trump's supporters have made false claims about the poor performance of the Republican Party. There may have been an effort to suppress the Republican vote in Arizona according to Lake, who made Trump's false 2020 fraud claims a front and center issue during her campaign.

The results of two senate races could decide majority control.

A judge has rejected the Arizona GOP's lawsuit to extend voting hours.

Walker had a runoff in the Georgia senate race.

The biggest surprises from election night were not a red wave.

Trump asserts baseless midterm election fraud claims.