<div class="css-s99gbd StoryBodyCompanionColumn" data-testid="companionColumn-0"><div class="css-53u6y8"><p class="css-at9mc1 evys1bk0">Senator Jeanne Shaheen of New Hampshire will not run for re-election in 2026, bringing an end to a long and singular political career and further complicating Democrats’ efforts to regain a majority in the Senate.</p><p class="css-at9mc1 evys1bk0">Her decision not to seek a fourth term will immediately set off a high-stakes race in a state whose voters are famously fickle. Last fall, New Hampshire voters supported former Vice President Kamala Harris for president and elected Democrats to Congress, but they also voted for a Republican governor and expanded Republican majorities in the state legislature.</p><p class="css-at9mc1 evys1bk0">“It was a difficult decision, made more difficult by the current environment in the country — by President Trump and what he’s doing right now,” Ms. Shaheen, 78, said in an interview with The New York Times. She specifically criticized the president’s focus on political retribution, his drastic cuts to the federal budget and his antagonism toward Ukraine as it defends itself from Russia’s invasion.</p><p class="css-at9mc1 evys1bk0">Ms. Shaheen, the top Democrat on the Senate Foreign Relations Committee, was the first woman to be elected governor of New Hampshire and the first woman in the country to serve as both a governor and a U.S. senator. She noted in the interview that she will have served for 30 years in elected office and spent 50 years in politics.</p></div><aside aria-label="companion column" class="css-ew4tgv"></aside></div><div data-testid="Dropzone-1"></div><div class="css-s99gbd StoryBodyCompanionColumn" data-testid="companionColumn-1"><div class="css-53u6y8"><p class="css-at9mc1 evys1bk0">“It’s important for New Hampshire and the country to have a new generation of leadership,” she said.</p></div><aside aria-label="companion column" class="css-ew4tgv"></aside></div><div data-testid="ImageBlock-3"><div data-testid="imageblock-wrapper"><figure aria-label="media" class="img-sz-medium css-d754w4 e1g7ppur0" role="group"><div class="css-1xdhyk6 erfvjey0" data-testid="photoviewer-children-figure"><span class="css-1ly73wi e1tej78p0">Image</span><div class="css-nwd8t8" data-testid="lazy-image"><div data-testid="lazyimage-container" style="height:257.77777777777777px"></div></div></div><figcaption class="css-gbc9ki ewdxa0s0" data-testid="photoviewer-children-caption"><span class="css-jevhma e13ogyst0">Ms. Shaheen, speaking in January with Senators Chris Murphy, left, and James Risch, second from right, is the ranking Democrat on the Senate Foreign Relations Committee.</span><span class="css-14fe1uy e1z0qqy90"><span class="css-1ly73wi e1tej78p0">Credit...</span><span><span aria-hidden="false">Eric Lee/The New York Times</span></span></span></figcaption></figure></div></div><div data-testid="Optimistic-4"><div class="css-1336jj"><div class="css-121kum4"><div class="css-171quhb"></div><div class="css-asuuk5"><noscript><div class="css-7axq9l" data-testid="optimistic-truncator-noscript"><svg aria-hidden="true" class="css-1b5b8u1" height="24" viewbox="0 0 24 24" width="24"><path clip-rule="evenodd" d="M2.5 12a9.5 9.5 0 1 1 19 0 9.5 9.5 0 0 1-19 0Zm8.5 1.75v-7.5h2v7.5h-2Zm0 2v2h2v-2h-2Z" fill="currentColor" fill-rule="evenodd"></path></svg><div class="css-6yo1no" data-testid="optimistic-truncator-noscript-message"><p class="css-3kpklk">We are having trouble retrieving the article content.</p><p class="css-3kpklk">Please enable JavaScript in your browser settings.</p></div></div></noscript><div class="css-1dv1kvn" id="optimistic-truncator-a11y" tabindex="-1"><hr/><p>Thank you for your patience while we verify access. 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