<p>New 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.</p><p>“You can count on me to take my bipartisan approach, my common sense and my commitment to problem-solving and results to the Senate,” Hassan said in <a href="https://youtu.be/oufwTzy4qQ8">a video</a> announcing her candidacy.</p><p>Polls have showed the popular Hassan — who is forgoing a third two-year term — running close with Ayotte in early matchups.</p> <br>