Mara Liasson

The Environmental Protect Agency has drafted regulations on Ozone pollution. The latest move exposes divisions between the Obama administration and leading Republican lawmakers over the environment.

Chuck Hagel resigned as Defense Secretary on Monday after a tenure in which he wasn't always on the same page as the White House.

President Obama announced the defense secretary's resignation Monday morning. Chuck Hagel clashed with White House adviser Susan Rice on Syria policy, and he never made it into Obama's inner circle.

President Obama addressed the immigration system in a speech Thursday night. Obama said he would temporarily protect millions of undocumented immigrants from deportation using an executive order.

President Obama is expected to unveil his long-awaited and controversial executive action on immigration in a prime-time speech on Thursday night. Millions of people could be affected.

President Obama will unveil his executive actions on immigration Thursday, but Republicans aren't waiting for the announcement to criticize the move.

While the Nazis may have used the children's opera Brundibár as a propaganda tool, it also was a symbol of hope for the children who performed it. It is now a way to remember profound loss.

Updated at 1:28 p.m. ET.

President Obama says he will announce the executive actions he's taking to "start fixing our broken immigration system" during a speech to the nation at 8 p.m. ET Thursday.

"What I'm going to be laying out is the things I can do with my lawful ...

President Obama is planning to use his executive authority to offer temporary deportation relief to certain groups of immigrants. The Republicans say if he does, all bets are off.

The federal health exchange website is live this week for window shopping and people will begin to purchase new health insurance there on Saturday. But the Affordable Care Act still h...

In the wake of coast-to-coast defeats, Democrats are looking through the election returns for lessons.

Republicans won a wave election on Tuesday night, taking control of the Senate and picking up seats in the House as well as key governor's races. Now they set about the task of governing.

The GOP picked up the seats needed to retake control of the Senate and then some — with major victories in North Carolina, Iowa, Colorado and Arkansas. They also added to their margin in the House.

We take a look at the races to watch as voting winds down in the midterm elections.

General disgust with both parties and the president have been key ingredients in this year's midterm elections.

In presidential elections, Democrats have been on the winning end of the gender gap — but that hasn't been true in midterms. Renee Montagne speaks with NPR's Mara Liasson about women in this election.

A week ahead of Election Day, both parties are still scrambling to identify and turn out every one of their voters. These get-out-the-vote operations are as expensive and high-tech as every other bit of modern campaigning.

Campaigning against gay marriage used to help Republicans win elections — but now GOP candidates in tight races are backing away from mentioning social issues on the stump.

They're not the Obama-adoring college students of 2008 anymore. They're the generation hard-hit by the economy.

The stakes are higher than usual for the Obama administration, which has been relentlessly buffeted events it can't seem to take charge of.