Tamara Keith

President Obama endorsed Hillary Clinton on Thursday, after he met with her primary opponent Bernie Sanders. Clinton also was endorsed by Vice President Joe Biden and Senator Elizabeth Warren.

Clinton said she is looking forward to working with Bernie Sanders "during the campaign and then after the inauguration," as the rivals figure out how to unify.

Hillary Clinton has clinched the Democratic nomination in 2016 by learning lessons from her loss eight years earlier. The way she handled that loss started her on this path.

Hillary Clinton marked the historic moment as she became the first female presumptive nominee of a major American political party. And she delivered her speech from a hall with a glass ceiling.

A day after an AP analysis unexpectedly indicated Clinton had the pledged delegates and superdelegates to claim the Democratic nomination, she and Sen. Bernie Sanders await results from six states.

Hillary Clinton plans to use tonight's speech to declare a historic victory in the primaries, though Bernie Sanders shows every sign of fighting until the last primary in Washinton, D.C., next week.

It wasn't easy for Clinton to clinch the nomination — she got there by applying lessons from her failed 2008 bid and forming strong alliances with Democrats, President Obama and voters of color.

In the final stretch of the Democratic primary, Hillary Clinton is campaigning as hard as ever even as some of her supporters are peering at the finish line with a sense of history and emotion.

Clinton is all but assured to secure enough delegates to clinch the Democratic nomination Tuesday. But Bernie Sanders is still campaigning.

Loans and grants often aren't enough to cover all the expenses of a college education. For many students the struggle to afford school means long work hours and even skipping meals.

Hillary Clinton delivered a foreign policy speech in San Diego Thursday, drawing a contrast with presumptive GOP nominee Donald Trump.

Hillary Clinton could lose California's primary on June 7 and still win the Democratic nomination, but she and Bernie Sanders are campaigning hard there, hoping to close out the season on a high note.

Hillary Clinton doesn't have the biggest rallies. Her bumper stickers and campaign signs aren't particularly visible. It seems her supporters are laying low. Here's why.

The report doesn't materially change the controversy or reveal new facts. It is a reminder of a bad decision that has been a weight on Clinton's campaign since before she announced she was running.

As Bernie Sanders fights on against Hillary Clinton, he has some goals short of the nomination in sight, while his supporters remain relatively reluctant to support Clinton.

Her positions on issues from trade to same-sex marriage have changed. Critics say it's often because of political expediency, while supporters insist she learns and adapts to new circumstances.

Sen. Bernie Sanders is answering for violence at the Nevada Democratic Party's state convention, where his supporters threw chairs and hurled obscenities as Hillary Clinton claimed the most delegates.

Heroin and prescription opioids are killing more than 100 people a day. It's an issue candidates up and down the ballot are discussing.

Presidential candidates have been confronted by voters over the crisis of opioid abuse and heroin addiction. One major problem is accessing treatment when someone who needs it is ready to receive it.

"We are suspending our campaign," the Texas senator told supporters at an Indianapolis rally. "But hear me now — I am not suspending our fight for liberty." His announcement ends a vitriolic week.