For decades, New Hampshire could stand its ground and knock down anybody that tried to steal its prized possession. But battle lines are being redrawn, and the N.H. primary can’t escape it.

Stranglehold is the story of how one small state got its hands around the way we pick presidents - and won’t let go. It’s a political story unlike any you've heard before.

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Stranglehold is a production of New Hampshire Public Radio.