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A voter casts their ballot, February 9, 2016, in Chichester, New Hampshire. 
New Hampshire voters headed to polls at the snowy break of day Tuesday for the crucial first US presidential primary, with Donald Trump chasing victory and Hillary Clinton looking to narrow the gap on Bernie Sanders. / AFP / DOMINICK REUTER        (Photo credit should read DOMINICK REUTER/AFP/Getty Images)
A voter casts their ballot, February 9, 2016, in Chichester, New Hampshire. 
New Hampshire voters headed to polls at the snowy break of day Tuesday for the crucial first US presidential primary, with Donald Trump chasing victory and Hillary Clinton looking to narrow the gap on Bernie Sanders. / AFP / DOMINICK REUTER        (Photo credit should read DOMINICK REUTER/AFP/Getty Images)

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    What the New Hampshire primary means for the 2016 race

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What the New Hampshire primary means for the 2016 race

CNN's John King explains why New Hampshire is so important to the 2016 race for the White House.

What the New Hampshire primary means for the 2016 race

CNN's John King explains why New Hampshire is so important to the 2016 race for the White House.