Election

Sen. Bernie Sanders of Vermont is leading the pack in the Democratic presidential primary race as he and six other candidates debate in South Carolina on Tuesday.

The South Carolina primary is on Saturday, with 54 delegates up for grabs. Currently, Sanders has the most delegates, with former South Bend, Ind., Mayor Pete Buttigieg in second, and former Vice President Joe Biden in third.

Days before the South Carolina primary, seven Democratic candidates will face off in a debate in Charleston, S.C.

The debate comes after Sen. Bernie Sanders handily won the Nevada caucuses, won in New Hampshire and tied in Iowa.

Here's what you need to know:

When is the South Carolina Democratic debate? Tuesday, from 8 to 10 p.m. ET.

Where is the debate being held? Charleston.

What channel is the debate on? CBS and streaming online on CBSN.

The 2020 Democratic nomination is now Sen. Bernie Sanders' to lose.

The independent from Vermont ⁠— who is running as a Democrat and often speaks about the ills not just of Republicans, but also of Democrats ⁠— handily won the Nevada Democratic caucuses.

The Democratic presidential primary is heading west for the third contest in the 2020 race. Nevada Democrats are hoping their caucuses avoid similar problems that plagued Iowa earlier this month.

Follow NPR's coverage for the latest updates, analysis and results as the caucuses get underway.

In Las Vegas — a city known for prize fights — the Democrats were gloves off.

And a new entrant in the ring took a lot of incoming: former New York City Mayor Michael Bloomberg, who has spent more than $300 million of his own money on ads to raise his profile.

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It's showtime in Las Vegas. Democratic presidential candidates are debating for the ninth time for the 2020 campaign, but it's former New York City Mayor Mike Bloomberg's first time on stage.

The urban-rural divide has grown in politics over the past couple of decades, with rural America becoming increasingly and reliably Republican. 

He isn't on the ballot in Nevada's caucuses, but billionaire and former New York City Mayor Michael Bloomberg will be on the national debate stage for the first time, joining five other Democratic candidates Wednesday night during the debate in Las Vegas. He qualified after surging in the polls.

Vermont Sen. Bernie Sanders is rising in the polls among Democrats, but questions about his electability against President Trump persist because he self-identifies as a democratic socialist.

A new NPR/PBS NewsHour/Marist poll backs up the idea that the label could hurt him.

Three days before the Nevada caucuses, six Democratic candidates will face off in a debate Wednesday night in Las Vegas.

The televised debate comes on the heels of a new NPR/PBS NewsHour/Marist Poll that shows Vermont Sen. Bernie Sanders leading nationally, with 31% support among Democratic-leaning voters.

Trailing Sanders in second in the survey is billionaire and former New York City Mayor Michael Bloomberg, with 19% backing.