People watch a volunteer count votes during a caucus in Henderson, Nevada, on Saturday.
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Twin sisters Emmeline and Eloise Lofthouse play in a high-school gymnasium while their mother participates in a caucus in Las Vegas.
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Sanders supporters react during a caucus at the Bellagio hotel in Las Vegas.
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Former Vice President Joe Biden speaks in Las Vegas on Saturday as the votes were being counted. "I know we don't have the final results yet, but I feel really good," Biden told the crowd. "You put me in a position, you know the press is ready to declare people dead quickly, but we're alive and we're coming back and we're going to win."
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Caucusgoers hold up their presidential preference cards at a community center in Las Vegas.
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Errors and revisions are seen on a caucus poster in Henderson.
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A precinct chairman checks paperwork before submitting the final count at Henderson's Coronado High School.
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Former South Bend, Indiana, Mayor Pete Buttigieg, left, is joined by his husband, Chasten, after speaking to supporters in Las Vegas on Saturday. "I congratulate Sen. Sanders on a strong showing today," Buttigieg said, adding: "But before we rush to nominate Sen. Sanders ... Let us take a sober look at what is at stake."
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A volunteer counts votes during a caucus in Henderson.
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A precinct chair shows two cards that were used to break a tie at a caucus site in Reno, Nevada.
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A Sanders supporter holds up a sign during the caucus at the Bellagio hotel in Las Vegas.
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A precinct leader speaks with caucusgoers in Henderson.
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Caucusgoers gather in Henderson.
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A voter looks at a presidential preference card used as a ballot.
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Las Vegas residents wait to cast their votes on Saturday.
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Casino workers and Biden supporters cheer during the caucus at the Bellagio hotel in Las Vegas.
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Placards lay on the ground during a Sanders campaign event in Las Vegas on Friday.
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US Sen. Elizabeth Warren speaks at a town hall in Las Vegas on Friday.
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Hayley Bakst, bottom, and Mia Voos draw a picture of Warren into a book of presidents before Warren's town hall in Las Vegas on Friday.
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People in Henderson wait in line for early voting on Tuesday. It was the last day for early voting.
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A voter casts a ballot in Las Vegas on Tuesday.
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Candidates gather on stage for a Democratic debate in Las Vegas on Wednesday. From left are former New York Mayor Mike Bloomberg, Warren, Sanders; Biden, Buttigieg and US Sen. Amy Klobuchar.
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Biden speaks at a campaign event in Las Vegas on February 15.
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People wait in line for early voting at the Chinatown Plaza Mall in Las Vegas.
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A woman in Las Vegas looks through a window as she waits in line to enter a town-hall event for Buttigieg on Tuesday.
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Sanders speaks at a rally in Las Vegas on Tuesday.
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A sign is posted in Las Vegas on the final day of early voting.
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Warren meets Bitcoin the dog during a visit to her field office in Las Vegas on Thursday.
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Klobuchar speaks during a rally in Las Vegas on Tuesday.
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Domestic workers cast ballots voicing their opinions of who they would like to endorse during Care in Action's forum in Las Vegas on Tuesday.
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Buttigieg speaks Sunday at the Nevada Black Legislative Caucus' Black History Awards brunch.
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People wait to cast their ballots during the second day of early voting.
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