elections

The Minnesota senator captured nearly 20% of the vote on Tuesday, surprising political watchers who had been more focused on the campaigns of Elizabeth Warren and Joe Biden.

He jumped into the Democratic presidential primary months after most of his competitors did and never gained traction in polls.

The former vice president's campaign is looking at South Carolina, where African Americans make up a large share of the electorate, as a must-win state.

The failure of this year's Iowa caucuses was years in the making, some technology specialists argue, in part because of the haphazard way political users buy software.

Sen. Bernie Sanders won narrowly, but can he expand his base? Pete Buttigieg again did well, but in another largely white state. And the story of the night was Sen. Amy Klobuchar's third-place finish.

The victory, projected by the Associated Press, comes in another close race with Pete Buttigieg, former mayor of South Bend, Ind. The two had a virtual tie atop the Iowa caucuses.

Yang, who built his campaign around universal basic income, had risen from relative obscurity and built a loyal following of supporters.

The moderate focused his campaign on New Hampshire, but showed little upward momentum throughout his run.