Obama takes narrow lead over Clinton in Nevada
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Democratic presidential candidate  Barack Obama took a small lead over rival Hillary Clinton  before Nevada's caucus, the party's next contest, according to  a poll released on Monday.
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Exit polls indicate victory for Obama in state where Clinton had hoped to remain competitive
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Barack Obama rebounded from a close  loss to Hillary Clinton and won the support of the heavily  Hispanic union representing Las Vegas casino workers on  Wednesday ahead of the next Democratic presidential contest.
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Polls show Obama holding a slight lead in an electorate polarized along racial lines.
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MANCHESTER, New Hampshire  - The U.S. presidential contenders fanned out across the country on Wednesday, with Democrat Barack Obama gaining a key Nevada union endorsement and rival Hillary Clinton raking in cash from her surprise New Hampshire win.
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MANCHESTER, New Hampshire  - Democrat Barack Obama has pulled into a virtual dead heat with Hillary Clinton in New Hampshire two days before the state's presidential nominating contest, according to a Reuters/C-SPAN/Zogby poll released on Sunday.
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MANCHESTER, New Hampshire  - Democrat Hillary Clinton defied the polls and narrowly upset Barack Obama in New Hampshire on Tuesday, breathing new life into her U.S. presidential campaign after a poor third-place finish in Iowa.
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A last-minute federal court battle over caucus rules underlines the importance Saturday's vote in Nevada has assumed as a potential momentum-builder in the Democratic presidential campaign.
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THE RACE: The presidential race for Republicans and Democrats in Nevada.
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Democrats Hillary Clinton and Barack Obama were locked in a tight battle Tuesday in the key New Hampshire presidential primary while Republican John McCain won a back-from-the dead victory in the 2008 nomination contest.
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Exit poll projection gives Barack Obama lead over Hillary Clinton
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Sen. Hillary Clinton on Tuesday said Sen. Barack Obama had become frustrated by his losses in New Hampshire and Nevada, and she also accused her opponent of not backing up his words with action.
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Republican Sen. John McCain grabbed an early lead over former Massachusetts Gov. Mitt Romney in New Hampshire's first-in-the-nation primary Tuesday night as he sought to climb back into contention for the presidential nomination. Sen. Barack Obama dueled with Hillary Rodham Clinton in the Democratic contest.
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Sen. Hillary Clinton won the Nevada  contest for the Democratic presidential nomination on Saturday,  defeating her rivals in their first test of strength among  Hispanic voters and boosting her campaign after a narrow  victory in New Hampshire, U.S. media projected.
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Rasmussen Reports - Heading into Saturday's Democratic Presidential Primary in South Carolina, Barack Obama holds a large and growing double-digit lead over Hillary Clinton.
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COLUMBIA, South Carolina  - Democrat Hillary Clinton and Republican Mitt Romney were projected to win Nevada's presidential nominating contests on Saturday and voters in South Carolina cast ballots as an unpredictable White House race moved to the South and West.
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Barack Obama has surged past Hillary  Clinton to open a big national lead in the Democratic  presidential race, according to a Reuters/Zogby poll released  on Wednesday.