Sununu, Pappas advance in New Hampshire’s open Senate race


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Former Republican Sen. John Sununu and Democratic Rep. Chris Pappas are headed to November in New Hampshire’s open U.S. Senate race.

CBS News and NBC News projected both men as the winners of their primaries Tuesday. The winner in November will replace retiring Democratic Sen. Jeanne Shaheen.

Tom Williams/CQ-Roll Call, Inc via Getty Images

The stakes extend beyond New Hampshire. Republicans hold 53 Senate seats, while Democrats need a net gain of four to take control of the chamber.

Pappas’s primary win gave Democrats their preferred nominee, but concerns remain among some Democratic donors and strategists about whether the race is getting enough national attention and resources.

Politico reports New Hampshire Democratic strategist Jim Demers, who supports Pappas but does not work for his campaign, has privately urged several potential 2028 presidential candidates to campaign in the state to help attract more money, volunteers and attention to the race.

Sununu previously served in both the House and Senate, losing his Senate seat to Shaheen in 2008. His father, John H. Sununu, and brother, Chris Sununu, both served as New Hampshire governor.

Pappas was first elected to Congress in 2018 and serves in the House’s bipartisan Problem Solvers Caucus.

New Hampshire voters also set their governor’s race. Republican Gov. Kelly Ayotte will face Democrat Cinde Warmington as Ayotte seeks another two-year term.

REUTERS/Brian Snyder

And the Shaheen name will remain on the ballot elsewhere in New Hampshire. Stefany Shaheen, the senator’s eldest daughter, won the Democratic primary for Pappa’s 1st Congressional District seat and will now compete to replace him in the House.

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Why this story matters

New Hampshire's November Senate race between Democrat Chris Pappas and Republican John Sununu is one of a handful of contests that will determine which party controls the U.S. Senate, directly affecting the balance of legislative power over issues including taxes, healthcare costs and federal spending.

Senate control is at stake

Democrats need a net gain of four seats to retake the Senate majority, and holding New Hampshire is described by both parties as a critical part of that math.

Race is closer than expected

Recent polling showed Sununu leading Pappas 45% to 43% in a late-August University of New Hampshire survey, and the Cook Political Report rates the seat only "Lean Democratic" — a tighter margin than Democrats anticipated.

Cost-of-living is the central issue

Both candidates have centered their campaigns on affordability, with Pappas citing tariffs, reduced healthcare subsidies and high gas and grocery prices, while Sununu has focused on housing, healthcare and energy costs.

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Center-rated reporting

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Awarded a perfect reliability rating from NewsGuard

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Bias comparison

  • Media outlets on the left frame Pappas’s primary win as crucial to Democratic Senate control, a rejection of the progressive wing, and potentially historic for electing the first openly gay man to the chamber; terms like “battleground” and “bare-knuckled” heighten urgency.
  • Media outlets in the center de-emphasize identity and partisan attacks, stressing the matchup and projections.
  • Media outlets on the right cast Sununu’s nomination as a “comeback,” energized by Trump’s endorsement, while labeling Pappas “far left” and a “rubber stamp,” portraying Democratic division.

Media landscape

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Key points from the Left

  • U.S. Rep. Chris Pappas won the Democratic primary in New Hampshire with 60.08% of the vote and will advance to the general Senate election for the seat vacated by retiring Sen. Jeanne Shaheen.
  • Former Sen. John E. Sununu won the Republican primary with 70% of the vote and is running to reclaim the seat he lost to Shaheen in 2008.
  • Pappas is New Hampshire's first openly LGBTQ+ member of Congress and could become the first openly gay man elected to the Senate.
  • The general election between Pappas and Sununu is highly competitive and may influence the balance of power in the U.S. Senate, with both candidates receiving strong endorsements and support.

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Key points from the Center

  • On Tuesday, Republican former Sen. John Sununu and Democratic Rep. Chris Pappas won their New Hampshire Senate primaries, setting up a general election battle to replace retiring Democratic Sen. Jeanne Shaheen.
  • Shaheen retired this year after serving three terms, prompting Republicans to believe they can capture the open seat with Sununu, a member of a well-known political family.
  • Primary results show Sununu received 70% of the vote to Brown's 25%, while Pappas defeated challenger Karishma Manzur, a member of the Democratic Socialists of America, with 62% to 36% support.
  • Campaign attacks have already intensified, with Pappas accusing Sununu of making $35 million from regulated industries, while the GOP super PAC One Nation alleged the congressman supported tax breaks for "million dollar homes."
  • This contest is a crucial battleground race for the Senate majority, with Republicans citing GOP Gov. Kelly Ayotte on the ticket, though Democrats remain skeptical in a state President Donald Trump has never won.

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Key points from the Right

  • John E. Sununu won the Republican nomination for the New Hampshire Senate seat, defeating Scott Brown to succeed retiring Senator Jeanne Shaheen.
  • Sununu will face Democrat Chris Pappas, who secured his party's nomination against Karishma Manzur, in the general election for the open Senate seat.
  • Sununu emphasized local support and a focus on affordability and reform issues, and received an endorsement from Donald Trump.
  • Chris Pappas pledges to unite Democrats and fight to keep the Senate seat in New Hampshire, appealing to moderate voters.

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