Sen. Ted Cruz, R-Texas, speaks during a campaign stop Tuesday. His third-place New Hampshire finish has largely been overlooked, but he will contend strongly in the coming slew of Southern states. Matt Rourke/AP hide caption

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An attendee wears a Hillary Clinton campaign sticker at a rally in Columbia, S.C., last month. Young voters in Iowa and New Hampshire have helped fuel Bernie Sanders' candidacy, but as the race moves to South Carolina, a lot could change. Bloomberg/Bloomberg via Getty Images hide caption

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Voters gather at Bernie Sanders' primary night headquarters on Tuesday in New Hampshire. Logan Shannon for NHPR hide caption

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Democratic presidential candidate Hillary Clinton speaks at her first-in-the-nation presidential primary campaign rally on Tuesday in Hooksett, N.H. Matt Rourke/AP hide caption

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The Rev. Al Sharpton talks with Sen. Bernie Sanders at Sylvia's Restaurant in Harlem the morning after Sanders' New Hampshire primary victory over Hillary Clinton. Richard Drew/AP hide caption

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Donald Trump was declared the winner in the GOP primary race in New Hampshire, while Bernie Sanders took the Democratic race. Victor J. Blue/Bloomberg via Getty Images and Spencer Platt/Getty Images hide caption

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