Democrats

"Demographics are destiny" has almost become a political cliché, but, so far in this campaign, it's holding true. That gives some clues for how people might vote in the New York primary in a week.

The Associated Press projects that the state will be the latest in a string of wins for the Vermont senator in the West. But the path ahead against rival Hillary Clinton is expected to get rockier.

Supporters of Bernie Sanders' presidential campaign have been calling, emailing and tweeting so-called superdelegates who back Hillary Clinton, to try to convince them to switch sides.

Ted Cruz and Bernie Sanders had big Wisconsin wins, but they were also fairly predictable based on demographics. Do demographics suggest Wisconsin was an outlier or a turning point?

Sanders and his supporters are trying to change America, not the positions of another candidate. But his issues are helping to define the Democratic primary.

Bernie Sanders won sweeping victories Saturday and more are sure to come over the next couple months. Can he win the nomination? And is that what really even matters?

Donald Trump has a base that skews heavily toward early deciders. His opponents end up fighting over who's left.

Bernie Sanders has won the Democrats Abroad Primary, with 69 percent of the vote. But where did all the votes actually come from? NPR answers some Dems Abroad FAQs.

You'd think from watching the campaign that foreign trade is super unpopular. But polls show that's not quite true.

For all the attention Donald Trump has gotten, more people have voted for Hillary Clinton than any single candidate. Of course, Republicans have had a much bigger field — and record turnout.