A political upset unfolded as a challenger defeated a seasoned incumbent in a closely watched primary race, overcoming expectations and sparse polling that had favored the veteran candidate. The victory marks a significant shift in the political landscape, with the retiring senator’s daughter emerging as the unexpected front-runner. Analysts will now assess whether this result signals broader trends in voter sentiment or simply reflects the unique dynamics of this particular contest. The outcome could reshape future campaigns in the state.


Stefany Shaheen, whose mother is retiring from the Senate, edged out veteran Maura Sullivan in a bruising primary, defying sparse polling that had her down in the competitive contest.