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WATCH: Why New Hampshire holds the first primary

When it comes to U.S. presidential elections, why do we pay so much attention to New Hampshire and Iowa?

The origin story of the Iowa caucuses is born out of the political upheaval of the late 1960s, while New Hampshire’s place in the race to the White House is pretty straight-forward — it’s mandated by state law. PBS NewsHour correspondent Lisa Desjardins digs into this question in our explainer video. Watch in the video player above.

WATCH LIVE: Special coverage of the New Hampshire primary