GOP sees new hope to expand Senate majority

Republicans are increasingly optimistic about their chances of expanding their narrow Senate majority after the polarizing confirmation battle over Supreme Court Justice Brett KavanaughBrett Michael KavanaughChief justice of California Supreme Court leaves GOP over Kavanaugh confirmation Doug Jones: Carmakers 'scared to death' over Trump tariffs McCaskill: 'Kavanaugh spectacle' made the difference in midterm loss MORE.

In the weeks since a series of sexual misconduct allegations were raised against Kavanaugh, the GOP has seen candidates in the Republican strongholds of Texas and Tennessee strengthen their positions, putting possible upset bids by Democrats on hold.

Republicans are increasingly bullish on their chances of gaining a seat in North Dakota, where Sen. Heidi HeitkampMary (Heidi) Kathryn HeitkampHatch warns Senate 'in crisis' in farewell speech Dem senators Heitkamp, Donnelly urge bipartisanship in farewell speeches House passes bipartisan bill aimed at reversing rising maternal mortality rates MORE (D) has seen Republican Rep. Kevin CramerKevin John CramerDem senators Heitkamp, Donnelly urge bipartisanship in farewell speeches North Dakota New Members 2019 Rick Scott appears with GOP senators, ignores voter fraud question as recount continues MORE pull ahead in polls. They also believe they can defeat Sen. Claire McCaskillClaire Conner McCaskillThe Year Ahead: Tech braces for new scrutiny from Washington McCaskill: 'Too many embarrassing uncles' in the Senate FEC votes to allow lawmakers to use campaign funds for personal cybersecurity MORE (D) in Missouri. Both Democrats voted against Kavanaugh's confirmation.

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“If you look at the polling we’ve seen in the last four or five days, it’s become clear that states like North Dakota and Missouri are moving in the Republicans’ direction,” said Matt Mackowiak, a GOP strategist.

“Most importantly, the opportunity that existed for Democrats in Tennessee and Texas looks like it's on the way out,” he said.

In Arizona and Nevada, widely seen as the best pickup opportunities for Democrats, recent polls suggest that the GOP is holding its own.

One poll released Wednesday by Phoenix-based pollster OH Predictive Insights showed Rep. Kyrsten Sinema (D-Ariz.) trailing Rep. Martha McSallyMartha Elizabeth McSallyArizona governor eyes several possible Kyl replacements The Hill's 12:30 Report – Cohen says Trump knew payments were wrong | GOP in turmoil over Trump shutdown threat | Kyl to resign from Senate at year's end Jon Kyl to resign from Senate on Dec. 31 MORE (R-Ariz.) by 6 points.

While most other recent polls show Sinema with a narrow lead, the race to succeed retiring Sen. Jeff FlakeJeffrey (Jeff) Lane FlakeThe Hill's 12:30 Report – Cohen says Trump knew payments were wrong | GOP in turmoil over Trump shutdown threat | Kyl to resign from Senate at year's end Overnight Defense: Senate bucks Trump with Yemen war vote, resolution calling crown prince 'responsible' for Khashoggi killing | House briefing on Saudi Arabia fails to move needle | Inhofe casts doubt on Space Force Flake asks Daily Show where he can get a blanket emblazoned with his 'meaningless tweets' MORE (R-Ariz.) appears to be tightening. A Fox News poll conducted around the same time as the OH Predictive Insights survey showed Sinema ahead by 2 points – well within the poll’s 3.5-point margin of error.

In Nevada, an NBC News/Marist poll released earlier this month put Sen. Dean HellerDean Arthur Heller How to reform the federal electric vehicle tax credit White House jumps into fight over energy subsidies One last fight for Sen. Orrin Hatch MORE (R-Nev.) ahead of his Democratic challenger, Rep. Jacky RosenJacklyn (Jacky) Sheryl RosenSchumer walking tightrope with committee assignments 10 things we learned from the midterms Election Countdown: Florida fight ends with Scott, DeSantis wins | Dems see Sunbelt in play for 2020 | Trump to campaign in Mississippi ahead of runoff | GOP wipeout in Orange County | Ortiz Jones concedes in Texas House race MORE (Nev.), by 2 points. Heller has long been seen as the most vulnerable GOP Senate incumbent.

“I think Senate races are tightening and that’s not a real surprise,” said Doug Thornell, a former deputy political director for the Democratic Senatorial Campaign Committee (DSCC). “As you get closer to an election, that typically happens. There’s more information that voters take in and on both sides see enthusiasm grow.”

The GOP’s best chances for picking up seats look to be in North Dakota and Missouri, but the party also sees opportunities in Montana and Indiana, two states Trump won easily in 2016, as well as Florida, another state won by Trump where Republicans have a strong candidate in Gov. Rick Scott.

West Virginia is another pick-up chance, though Sen. Joe ManchinJoseph (Joe) ManchinOvernight Defense: Senate bucks Trump with Yemen war vote, resolution calling crown prince 'responsible' for Khashoggi killing | House briefing on Saudi Arabia fails to move needle | Inhofe casts doubt on Space Force Hillicon Valley — Presented by AT&T — New momentum for privacy legislation | YouTube purges spam videos | Apple plans B Austin campus | Iranian hackers targeted Treasury officials | FEC to let lawmakers use campaign funds for cyber Manchin puts hold on FCC nomination over wireless internet fund delay MORE, the only Democrat to vote to confirm Kavanaugh, is holding on strong in polls. The Cook Political Report moved that race into the “Lean Democratic” column last month.

Republicans also see a longshot chance of flipping New Jersey, a deep-blue state that Hillary ClintonHillary Diane Rodham ClintonMemo Comey used to brief Trump on dossier released: report Trump will likely win reelection in 2020 Lanny Davis says Nixon had more respect for the Constitution than Trump MORE carried by 14 points in 2016.

A Stockton University poll released earlier this month showed a statistical dead heat in the race between Sen. Bob MenendezRobert (Bob) MenendezMore oversight of America’s international media networks a good idea Pro-Israel organizations should finally seek payback against Iran deal Dems Trump lowers refugee goal to 30,000, he must meet it MORE (D) and his Republican challenger Bob Hugin, with the incumbent Democrat carrying only a 2-point lead. Menendez was reprimanded by a Senate ethics panel in April after federal prosecutors dropped corruption charges against him.

Republican officials and operatives argued that the bitter fight over Kavanaugh’s confirmation has boosted their chances. They are hoping that the fight will energize their base in November in a year when Democrats have largely held an edge in voter enthusiasm.

At the same time, they say they are not taking anything for granted, and acknowledge the political winds can change quickly.

In North Dakota, they say it’s still possible Heitkamp could make a late comeback.

“Heidi’s never going to be done for,” one North Dakota Republican operative said. “Part of that is this state is cheap. A little bit of money can have a lot of impact. She’s a fighter, and she’s got nothing left to lose.”

In Missouri, a recent poll from Fox news showed Attorney General Josh Hawley (R) tied at 46 percent with McCaskill. A CNN poll conducted days earlier gave McCaskill a 3-point lead.

In Texas, Sen. Ted CruzRafael (Ted) Edward CruzBiden, Sanders lead field in Iowa poll The Memo: Cohen fans flames around Trump Biden team discussed 2020 run with O'Rourke as VP: report MORE’s (R) polling numbers are on the rise. Two recent surveys by Emerson College and CBS News/YouGov showed the conservative firebrand pulling ahead by 5 and 6 points, respectively, over Rep. Beto O’Rourke (D-Texas).

In Tennessee, Rep. Marsha BlackburnMarsha BlackburnOvernight Health Care — Sponsored by Amgen — ObamaCare signups lag behind last year despite recent surge | Drug company offers cheaper opioid overdose treatment after hiking price 600 percent | CDC calls fentanyl deadliest drug in US GOP struggles to win votes for Trump’s B wall demand Incoming GOP congressman says vaccines may cause autism, contradicting CDC MORE (R) held a 5-point lead in a Fox News poll earlier this month over former Tennessee Gov. Phil Bredesen. Another poll by CBS News/YouGov showed her ahead by 8 points.

In Florida, Sen. Bill NelsonClarence (Bill) William NelsonMcCaskill: 'Too many embarrassing uncles' in the Senate Bill Nelson uses farewell address to remind colleagues ‘no one person is above the law’ Coal supporter Manchin named top Dem on Senate Energy Committee MORE (D) has seen his numbers rebound in recent polls against Scott. Hurricane Michael, which hit the state on Wednesday, has introduced a new uncertainty to that race.

Democrats have expressed optimism that the partisan fight over Kavanaugh will pump up their base.

“I think the pathway to the majority was always going to be difficult for Democrats,” Thornell said. “This is one of the most treacherous Senate maps either party has had in years. But it’s still in play because our incumbents are running strong campaigns, and we have put the GOP on defense in four states.”