Mara Liasson

In his Oval Office address, President Obama sought to calm a nation on edge because of terror. Did it work? And how is it reverberating on the 2016 campaign trail?

President Obama again found himself in the position of decrying a mass shooting and not being able to do much about it. He used a scheduled interview with CBS News to express his sympathies.

President Obama expressed sympathy to the victims' families of the mass shooting in San Bernardino, Calif. He also called for stronger gun background checks and other measures.

In Paris, President Obama made the case for taking action against climate change and addressed the ongoing fight against ISIS.

There are now just 10 weeks until voting begins. After Thanksgiving, there are some clear themes emerging in the state of the presidential race.

From time to time during this election season we'll be introducing you to ordinary people that our reporters meet out on the campaign trail. Today: a snapshot from a Donald Trump rally in New Hampshire.

Former secretary of state and current Democratic presidential contender Hillary Clinton laid out her ideas on national security and the struggle against terrorism on Thursday.

At every turn, this year's presidential campaign has proved conventional wisdom wrong. The aftermath of the Paris attacks might be another example.

As soon as the attacks were over, a chorus of (establishment) Republican voices predicted that the new focus on national security and terrorism would change the dynamic of ...

President Obama challenged his critics to offer solutions of their own to defeat ISIS. So what are the Republican candidates saying?

The main focus of the fourth debate was on the economy. The gathering in Milwaukee had the fewest candidates on stage so far this year as just eight qualified for the main stage.

It's now within a year of Election Day 2016. The Republican race for the nomination is still completely unsettled, the Democratic race a little less. But hardly anything has worked out according to conventional wisdom.

With that caveat, here are five big things that (we think!) will help determine the ...

Across the country Tuesday, voters cast ballots in state and local elections. Ohio voters rejected a referendum to legalize marijuana, and Republicans won governor's races in Mississippi and Kentucky.

The Republican presidential candidates gathered for their third debate in Colorado Wednesday. NPR reviews which candidates emerged stronger and which have some spinning to do.

Republican presidential candidates gathered for their third debate on Wednesday night in Boulder, Colo. This one focused on economic issues, with Donald Trump and Ben Carson at center stage.

With Republicans under fire for using the investigation for partisan purposes, presidential candidate Hillary Clinton is set to appear before the Select Committee on Benghazi Thursday.

President Obama announced Thursday he has abandoned his plan to withdraw nearly all U.S. troops from Afghanistan by the end of his presidency.

Hillary Clinton was able to maintain her status as frontrunner by leaning left of Bernie Sanders on gun control and to the right of him on socialism in the first Democratic debate of the 2016 race.

The first Democratic presidential debate is set for Tuesday, even as Vice President Joe Biden is considering whether to join the White House race.