A number of Republican officials have endorsed John E. Sununu in the hours after he announced he was running for U.S. Senate, but his primary campaign opponent is not giving up without a fight.

Former Sen. John E. Sununu announced a comeback bid in New Hampshire on Wednesday, boosting Republican chances of winning the seat near the core of the fight for Senate control in 2026. Republicans remain favored to maintain their majority at this stage of the cycle because Democrats need a net gain of four

Get the latest news and live updates as JD Vance meets Benjamin Netanyahu, John Sununu announces his Senate campaign, and NYC mayoral candidates Zohran Mamdani and Andrew Cuomo meet for trheir final debate.

Republican primary heats up in New Hampshire as former Sen. John E. Sununu joins Scott Brown in the race for retiring Sen. Jeanne Shaheen's seat.

Airlines for America CEO Chris Sununu, a Republican and former governor of New Hampshire, said Sunday that air travelers should “pack your patience” as the government shutdown drags on. “People

Chris Sununu, Airlines for America CEO and former New Hampshire governor, joins 'Squawk Box' to discuss the impact of the government shutdown on the airlines industry, state of the ongoing federal government shutdown,