For the first time on Tuesday, Americans will get to hear the Democrats who are running to be their party’s presidential nominee next year engage in a debate.

For the more well-known candidates, former Secretary of State Hillary Clinton and U.S. Sen. Bernie Sanders of Vermont, it will be a boost or setback.

For the other three, whom many Americans are hard-pressed even to name, it could be a “Carly Fiorina” break – putting them on the radar and on the big playing field.

Clinton, who made her first public policy speech in Nevada earlier this year, in a predominately Latino school, still is seen as the one to beat, though one with lots of baggage. Sanders has been edging her out in some crucial polls.

A strong performance could bring out dimensions that Clinton sorely needs voters to see – warmth, sincerity, her readiness to lead from day one, and that there is much more worth to know about her than her questionable handling of government emails.

“Our fundamental goal coming out of the debate is to lay out why Hillary Clinton is running for president — who she’ll fight for, what she’ll do as president to address the issues that matter most to our country and to American families,” Politico quoted Clinton campaign spokeswoman Christina Reynolds as saying.

One of the first four states to cast ballots in the presidential contest, Nevada is home to large communities of immigrants — many who have only recently arrived in the U.S. When combined with the state's baroque caucus system, which is so complex that the rules surrounding it run 51 pages, that means winning the state and the largest share of delegates requires a higher degree of organization and effort to get-out-the-vote than in most others.

And so for all the excitement generated to date by Sanders, and for all the anticipation about whether Vice President Joe Biden will decide to make a late entry into the race, it is Clinton and her campaign that are set up to win when Nevada Democratic caucus next February.

Clinton installed staff on the ground in Nevada six months ago, and she now has 22 paid operatives in the state. They have recruited more than 3,000 volunteers, who have already held events in remote desert towns as well as the state's urban centers. Clinton herself has made wooing immigrants a keystone of her campaign; she announced her immigration policy approach at a Las Vegas high school this spring.

"That's a lot of shoe leather, and they've been on the ground for 5 to 6 months," Billy Vassiliadis, a veteran Democratic strategist in Nevada who isn't involved in the current race, said of the Clinton campaign's efforts. "That's going to be a challenge that I don't think a Sanders can overcome, that — God bless his heart — I don't think Joe can overcome."

Meanwhile, Sanders' effort in the state has just one paid staffer, who arrived less than two weeks ago. Biden has yet to decide whether to run and does not have any formal campaign operation.

None of the other candidates Clinton will debate Tuesday night — former Maryland Gov. Martin O'Malley, former Rhode Island Sen. Lincoln Chaffee and former Virginia Sen. Jim Webb — seem to have a campaign organization that can match Clinton's. All are largely afterthoughts in early preference polls.

Democratic strategist Paul Begala tells Politico that Sanders would be wise to draw distinctions between himself and Republicans, instead of targeting his fellow Democrats.

“I would tell him to go after the Republicans hard: show Democrats what kind of standard bearer he would be in 2016. One of the reasons I think Sen. Sanders has done so well is he has not fallen into the trap of attacking Hillary.”

The Democrats have promised a sober, respectful policy discussion on the CNN stage that will stand in contrast to the fireworks from the Republicans.

Immigration advocacy groups generally give Democrats a thumbs-up on the topic – the candidates generally support comprehensive immigration reform measures that would address enforcement but also provide a pathway to legal status for undocumented immigrants who meet a strict set of criteria.

America’s Voice, a Washington-D.C. based group that favors more lenient immigration policies, sent out a mass email outlining some concerns with the Democratic candidate, and issued a list of questions they would like to see answered.

They included whether they support legal status for undocumented immigrants who were not included in President Barack Obama’s immigration executive actions for people brought as minors and parents who have children who are U.S.-born or legal residents, and what their view is of Sen. Marco Rubio’s argument that immigration reform is best addressed in a piecemeal fashion.

Immigrant advocacy groups have expressed concern with some of the Democratic candidates past positions on certain aspects of immigration, such as Sanders’ opposition to expanding the guest worker program, and Clinton’s remarks after the surge of unaccompanied minors from Central America last year along the U.S.-Mexico border in favor of sending them back home.

Sanders’ team is hoping to highlight how Clinton has been a latecomer on important progressive issues. Sanders “opposed the PATRIOT Act, the war in Iraq, the Defense of Marriage Act, don’t ask, don’t tell,” said spokesman Michael Briggs when asked how he will take on Clinton at the debate. “Is it an opportunity to talk about some of the serious issues facing the country where his record and others’ may differ? Yes.”

The differences in the structural strength of the campaigns were evident this past weekend. While Sanders' single Nevada staffer had his first meeting with hundreds of Sanders volunteers at a community college on Saturday, Clinton's campaign flew in Democratic rising star Rep. Joaquin Castro of Texas in Las Vegas and former NBA player Jason Collins in Reno to cheer on volunteers and staffers who had been knocking on doors and making calls for months.

"We gave — and we know we have — the best candidate for president of all the candidates for president, Democrat or Republican — Hillary Clinton," Castro told about two dozen Clinton volunteers who, armed with clipboards filled with computer-generated lists of potential voters, were about to set out for an afternoon of door-knocking in heavily Latino East Las Vegas.

Sanders supporters argue they can catch up. "There is a movement here, even in Nevada, for Bernie Sanders," said Jim Farrell, Sanders' Nevada state director. "This is not a normal election cycle."

Yet neither was 2008, when Clinton won the Nevada caucus. Her state director then was Robby Mook, who is now her national campaign manager. Her field director that year was Marlon Marshall, now the national campaign's director of public engagement. Emmy Ruiz, who worked on the Clinton 2008 effort and then ran Obama's successful 2012 race in Nevada, is now overseeing Clinton's 2016 effort in the state.

Vassiliadis, who worked on the 2008 Obama campaign, said it had staff on the ground in the spring of 2007 and nabbed the coveted endorsement of the Culinary Workers Union, which represents tens of thousands of casino workers in the state. And yet they couldn't catch up to Mook and the campaign he built for Clinton in Nevada.

Clinton's team is doing it all over again, including targeting the state's diverse electorate. The campaign hosts Filipino-style potluck dinners and is courting black pastors as well as Nevada's influential corps of immigrant-rights activists. And what the campaign does in Nevada, Marshall said, will pay off across the country.

"The diversity of Nevada and the outreach programs you use there can help us reach out to those communities in other states," he said.

Yet for all her successes in Nevada in 2008, Clinton left the state with one fewer delegate than did Obama. It's something noted by some Sanders backers, who cite the complex rules that can generously apportion delegates to runners-up as they tout the potential for the enthusiasm for his campaign to ultimately trump Clinton's structural edge.

"We'll go to the Democratic clubs and see a Hillary person will get up — they're all very nice people, but it's like they memorized a speech," said Tazo Schafer, 67, a retired academic who is volunteering for Sanders, his first involvement in presidential politics since Eugene McCarthy's campaign. "Then the Bernie people get up and say, 'Enough is enough,' and there's real passion."

The Associated Press contributed to this report.

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