PoliticoNew Hampshire Gov. Hassan to challenge Sen. AyottePoliticoNew Hampshire Gov. Maggie Hassan will challenge GOP Sen. Kelly Ayotte next year, Hassan announced Monday — a decision that boosts Democrats' chances of winning the swing-state Senate seat and taking back control of the chamber. "You can count ...New Hampshire Gov. Maggie Hassan to challenge Kelly Ayotte for Senate seatWashington PostNew Hampshire Gov.