Domenico Montanaro

While Donald Trump campaigned for the presidency, he repeatedly said he would get rid of the Affordable Care Act. What will happen to Obamacare? Also, we monitor how financial markets are doing.

Voters across the country cast ballots in congressional races. Republican incumbents survived strong challenges, among them Senator Pat Toomey of Pennsylvania.

The key states of Ohio and North Carolina are closing their polls in the 2016 presidential election. West Virginia has been called for Donald Trump.

Polls are closing in Virginia, Indiana, Georgia, Vermont, Kentucky and South Carolina. Georgia is a reliably Republican state that could be close this year.

Several key battleground states and Senate contests will determine the outcome of Tuesday's election.

Hillary Clinton has the edge. She has to win just the states leaning in her direction to get enough electoral votes to be president. But Donald Trump has a path, albeit a narrow one.

Want an easy way to tell who will win the election? Check out these battleground state counties that have closely reflected the statewide vote.

Hillary Clinton retains a broad, consistent and shallow lead over Donald Trump in battleground states. If her Blue Wall of states leaning her direction holds, she wins. If not, anything can happen.

U.S. electoral demographics have drastically changed in the past few decades. Brookings Institution demographer William Frey provides analysis, along with NPR's Asma Khalid and Domenico Montanaro.

Social and demographic change has shaken the foundation for some of what it means to be American. It has set the backdrop of this campaign in ways that were predictable and completely surprising.

A letter from the FBI director about more Clinton emails, and the likelihood of Republicans "coming home," have apparently shifted a race that looked like a Clinton rout to something more traditional.

The tradition goes back to the 19th century, when the U.S. was largely an agrarian, Christian society. People needed a day to travel by horse and buggy to vote and November was after the fall harvest.

The presidential election has entered its closing arguments phase. Hillary Clinton seems to have the edge in key states and may even be expanding into states that have traditionally voted Republican.

With the final presidential debate over, where does the race stand now, and what can we expect in the remaining days?

It's been a rough October for Donald Trump. Barring something extraordinary happening in the final few weeks, his path to win is a near-impossible feat to pull off.

America is at a demographic inflection point, posing challenges for both Democrats and Republicans this election season.

After audio surfaced of the GOP nominee bragging about groping and kissing women, dozens of Republicans have called on Trump to drop out — and it's all shaken up the electoral map.

The race appeared to be tightening in the month of September, but after the first presidential debate Hillary Clinton has taken a consistent lead.

The "October surprise" has a long history in American politics, but not as long as you might think — and not as consequential as you might think, either.

One Cruz supporter said the move "just cements Trump as the unopposed alpha in the GOP and hangs Cruz's conservative resistance out to dry."