Politics

The Democratic presidential race has turned negative. Bernie Sanders now says Hillary Clinton isn't qualified to be president. NPR explores how the race, which has been relatively civil, got to this point.

President Obama on Thursday returned to the University of Chicago Law School where he once taught constitutional law. He used the forum to argue that Senate Republicans should consider his nominee to the Supreme Court. So far, Republicans said thanks, but no thanks.

Mexico has reshuffled its top diplomats in the U.S. to counter what it says is rising anti-Mexican sentiment since Donald Trump detailed his plans to force Mexico to pay for a border wall.

Ohio Gov. John Kasich is mathematically eliminated from getting a majority of delegates to get the GOP presidential nomination, but he polls well in a general election. Each loss strikes a hard blow.

Data from exit polling show that with the exception of New Hampshire, Vermont and Wisconsin, Hillary Clinton has won women everywhere. Female votes could be crucial in a match-up with Donald Trump.

After voters at some sites in Arizona and Wisconsin had to wait hours to participate in their state primaries, officials around the U.S. are beefing up resources to ensure voting goes more smoothly.

There's a long history of government officials getting FBI scrutiny for mishandling classified information. But prosecutors usually require bad intent or ulterior motives to bring a criminal case.