It's the final debate before South Carolina's primary and Super Tuesday. Democratic candidates like Pete Buttigieg and Tom Steyer have been working to build up support.

Symone Sanders, Joe Biden surrogate, joins ABC News and shares how South Carolina will help launch Joe Biden toward the presidency.

Washington D.C. Mayor Muriel Bowser joins ABC News and shares how Bloomberg showed the American people “he is the adult in the room.”

Steyer call out the ideological differences currently dividing the party and the choice it may be facing between “a Democratic socialist or somebody with a long history of being a Republican".

Yvette Simpson, CEO of “Democracy for America,” speaks on Sanders, securing the black vote in South Carolina, and what the candidates should be focused on going into Super Tuesday.

Rival Michael Bloomberg is looking for a do-over after flat-lining in the last Democratic debate.

Coming off a successful weekend of campaigning, Bernie Sanders is expected to be in the line of fire with candidates criticizing his recent comments on Fidel Castro.

Elizabeth Warren made a big splash going after Michael Bloomberg during first debate, leaving voters wondering if she’ll go after Bernie Sanders with the same fervor.

The Democratic presidential primary debate found seven candidates facing off in Charleston, South Carolina.

Seven Democratic candidates took the debate stage Tuesday in South Carolina.

Seven Democrats faced off in the 10th primary debate ahead of the South Carolina primary on Saturday and Super Tuesday.

The volleys came as quickly as the voting is about to, with Super Tuesday only one week away.

Sanders has solidified his front-runner status in the Democratic primary and his competitors will likely question his electability in Tuesday’s debate in South Carolina.

Former New York City mayor Mike Bloomberg is preparing to aggressively target Sen. Bernie Sanders during Tuesday's primary debate in South Carolina.

Follow along as the ABC News team reports from the Silver State.

ABC’s Linsey Davis speaks with Burrell, who is serving a life sentence for the 2002 death of 11-year-old Tyesha Edwards. Burrell has maintained his innocence.

Frontrunner Sen. Bernie Sanders will likely be targeted for his defense of socialism and Fidel Castro as Michael Bloomberg looks to get back in the game after his last bout on stage.

Senator Bernie Sanders is closing the gap with Joe Biden according to a new poll, ahead of this weekend’s primary. ABC News’ Mona Kosar Abdi reports.

Sen. Bernie Sanders' apparent defense of parts of Fidel Castro’s dictatorial reign in Cuba is roiling the big-tent party filled with anxiety over embracing him.

Chasten Buttigieg opens up about the difficulties of being a newlywed while campaigning and falling in love with Pete Buttigieg.

African Americans in South Carolina are divided over their choice for Saturday's Democratic presidential primary

Bernie Sanders is gaining on Biden after Sanders' Nevada win, but the senator is coming under fire for comments he made regarding Fidel Castro.

After coming in second in the Nevada caucuses, former Vice President Joe Biden hopes to win big at the upcoming South Carolina caucuses.

Former New York City Mayor Mike Bloomberg's comments about women could strike many as discordant, experts say.

Myon Burrell tells ABC News in an exclusive interview he was wrongfully convicted for murder in Minnesota and in part blames Klobuchar, who was chief prosecutor in the county at the time.

The primary is the Democratic Party’s fourth nominating contest in the series of presidential primaries and caucuses.

Sen. Sanders dominated in the Nevada Caucuses with 47 percent of the vote which has set up what could be a decisive showdown with Joe Biden in South Carolina.

While votes continue to trickle in, it’s clear Sen. Bernie Sanders secured a convincing win in Nevada, leaving with a jackpot likely to land him a delegate lead.

Six candidates qualified for Wednesday's Democratic primary debate in Las Vegas, the DNC announced, including -- for the first time -- Mike Bloomberg.

Amy Klobuchar presidential campaign’s push to expose the Minnesota senator to Nevada voters in the critical days before the caucuses is growing.

Sen. Bernie Sanders, following a massive 27-point win in the Nevada caucuses, celebrated with supporters at a rally in Houston.

Sanders’ commanding Nevada caucus victory made him a target for his rivals.

Union leaders warned that Sanders’ plan would doom members' prized health care.

Michael Bloomberg spent more than $463 of his own money in just the first two months of his presidential campaign

Sen. Bernie Sanders ran competitively in unaccustomed support groups amid the Nevada caucuses while sweeping the table among Latino, young and very liberal voters.

Rep. James Clyburn, D-S.C., appeared on ABC's "This Week" ahead of the South Carolina primary.

House Majority Whip Rep. James Clyburn, D-S.C., is interviewed on "This Week."

Sen. Bernie Sanders' convincing victory in the Nevada caucuses has made him the undisputed front-runner for the Democratic presidential nomination

Democrats were desperate with Nevada to avoid another fiasco after the Iowa caucuses, and early indications are that they succeeded

The Democratic candidate delivered a speech while at a rally in San Antonio.

ABC News projects that Bernie Sanders will be the winner in the Nevada Democratic caucuses.

Democratic rivals appear to be battling for second place ahead of Super Tuesday.

According to entrance polls, 84% of Nevada Democrats voted early.

Bernie Sanders leads in the Nevada caucuses as Joe Biden vies for second.

An ABC News analysis shows Joe Biden trailing in second.

Democratic presidential candidate Elizabeth Warren rallied a crowd in Seattle as ballots for Washington state's March 10 presidential primary began arriving in the mailboxes of the state’s nearly 4.5 million voters

The Democrats storming Nevada in the lead up to Saturday's caucuses are set to first face off in Wednesday night's debate, a matchup in a more diverse early state.

The Nevada caucus, the third contest in the Democratic presidential race, is Saturday

ABC News’ Jonathan Karl discusses a U.S. Intelligence official’s concern about Russians using Bernie Sanders to help the President get reelected.

FiveThirtyEight’s Clare Malone answers questions on which Democratic candidate has the most to lose.