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Graham neck and neck with challenger in South Carolina Senate race: poll

Sen. Lindsey GrahamLindsey Olin GrahamPro-Trump lawyer Lin Wood causes headache for GOP in key S.C. race GOP governors move to cut unemployment benefits as debate rages over effects Trump critics push new direction for GOP MORE (R-S.C.) is virtually tied with his Democratic challenger, Jaime HarrisonJaime HarrisonPro-Trump lawyer Lin Wood causes headache for GOP in key S.C. race DNC announces funding agreement with state parties Democrats fundraise off of vote to remove Cheney from GOP leadership MORE, according to a CBS News-YouGov poll released Sunday.

The candidates are in statistical dead heat, with 45 percent of likely voters backing Graham and 44 percent backing Harrison.

An additional 9 percent of likely voters said they are not sure who they will vote for in the Senate race. 

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How Graham, the chairman of the Senate Judiciary Committee, handles the upcoming confirmation hearing for Amy Coney Barrett, President TrumpDonald TrumpFranklin Graham says Trump comeback would 'be a very tough thing to do' Man suspected in wife's disappearance accused of casting her ballot for Trump Stefanik: Cheney is 'looking backwards' MORE’s Supreme Court nominee, may not move the needle much for him, CBS noted. Nearly half of voters, 45 percent, said whether Graham votes to confirm Barrett won't affect their Senate vote, and the rest are divided along partisan lines, according to CBS. 

The poll also found that 46 percent of likely voters said Graham agrees with Trump "too much," while 36 percent said the senator agrees with the president “about the right amount,” and just 18 percent said he agrees with Trump “not enough.”

The CBS survey is the latest to show a tightening race in South Carolina, and Harrison has placed himself as a formidable challenge to Graham, raising millions in his campaign against the three-term senator. 

Graham himself acknowledged last week that he is "getting killed financially" by Harrison. 

The Democratic challenger is also leading a Republican incumbent in North Carolina. Democrat Cal Cunningham has drawn support from 48 percent of likely voters, compared with 38 percent who said they support Sen. Thom TillisThomas (Thom) Roland TillisSenate hears from Biden's high-profile judicial nominees for first time Senate Democrats take aim at 'true lender' interest rate rule Former North Carolina chief justice launches Senate campaign MORE (R-N.C.), according to the CBS-YouGov poll.

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Tillis voting for Trump’s nominee would please most Republicans but appears to be a slight net negative among independents, according to CBS. 

In Georgia, Sen. David PerdueDavid PerdueGeorgia Republican secretary of state hits Loeffler as 'weak,' 'fake Trumper' Warnock raises nearly M since January victory Georgia's top election official looks to shake political drama MORE (R) holds a lead over his Democratic challenger, Jon OssoffJon Ossoff28 Senate Democrats sign statement urging Israel-Hamas ceasefire DC statehood bill picks up Senate holdout Senate panel deadlocks in vote on sweeping elections bill MORE, at 47 percent to 42 percent, based on the CBS-YouGov poll. 

Republicans are facing a number of close Senate races that could be swayed by the battle over confirming Trump’s Supreme Court nominee ahead of the election. Democrats are looking to pick up three or four Senate seats, depending on which party wins the White House, to gain control of the upper chamber. 

The surveys were conducted on behalf of CBS News by YouGov between Sept. 22 and Sept. 25. They are based on a sample of 1,164 voters in Georgia, 1,213 in North Carolina and 1,080 in South Carolina. The margins of error are 3.3 percentage points in Georgia, 3.6 percentage points in North Carolina and 3.8 percentage points in South Carolina.