Obama seeks more wins over Clinton in 'Potomac Primary'
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Democrat Barack Obama looked Sunday to ride a wave of weekend wins to deal Hillary Clinton new defeats in the "Potomac Primary," a trio of contests that have gained importance in the tight White House race.
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Democrat Barack Obama hopes to rout Hillary Rodham Clinton in presidential primaries in Virginia, Maryland and the District of Columbia while Republican John McCain seeks to put more distance between himself and Mike Huckabee.
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Democrat Barack Obama hoped to  extend his winning streak over Hillary Clinton in their  bruising Democratic presidential race when voters made their  choices in three battlegrounds around the U.S. capital on  Tuesday.
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PORTSMOUTH, New Hampshire  - Democrat Barack Obama, fresh from a dramatic victory in Iowa, took his presidential campaign to New Hampshire on Friday, where he hopes to deal a potential knock-out blow to one-time front-runner Hillary Clinton next week.
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Bloomberg - Feb. 3 (Bloomberg) -- Democratic presidential candidate Barack Obama has gained on Hillary Clinton's lead in voter support nationwide, two new polls found.
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Barack Obama routed Hillary Rodham Clinton in the racially-charged South Carolina primary Saturday night, regaining campaign momentum in the prelude to a Feb. 5 coast-to-coast competition for more than 1,600 Democratic National Convention delegates.
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Sen. Hillary Clinton Wednesday worked to shore up her support in the face of the momentum Sen. Barack Obama has built up after winning eight Democratic presidential contests in a row, while Sen. John McCain continued in his efforts to unify Republicans.
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Barack Obama carries fight for Democratic nomination deep into his rival Hillary Clinton's territory
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Democrat Barack Obama eclipses Hillary Clinton in the battle to raise funds for the US presidential elections.
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Senator Barack Obama looked set for an invigorating victory over White House foe Hillary Clinton Saturday, in a South Carolina primary marred by race rows and bitter personal slurs.
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Hillary Rodham Clinton, struggling for the renewed momentum a win in Tuesday's Wisconsin primary would provide, reached out to working class families with a detailed economic plan while rival Barack Obama courted John Edwards in a bid to widen his lead in a tight Democratic presidential nominating race.
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COLUMBIA, South Carolina  - Democrat Barack Obama expanded his lead on rival Hillary Clinton to 15 points heading into South Carolina's bitterly contested presidential primary, according to a Reuters/C-SPAN/Zogby poll released on Saturday.
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Democratic candidate Barack Obama and Republican John McCain speak following their successes in the latest primaries
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Since emerging from a coast-to-coast slate of presidential contests on Feb. 5, Democrat Barack Obama has significantly outspent rival Hillary Rodham Clinton on television commercials, providing a crucial edge that helped push him to a rapid succession of primary and caucus victories.
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Sen. Barack Obama won the Virginia primary Tuesday night and reached out for victories in nearby Maryland and the District of Columbia, determined to erode or even erase Hillary Rodham Clinton's delegate lead in the Democratic presidential race.
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Democratic presidential  hopeful Hillary Clinton insisted on Tuesday the momentum is  shifting to her in Iowa and rival Barack Obama fought back  against Clinton's claims that he lacks experience.
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Democrat Barack Obama crushed Hillary Clinton in two more presidential contests on Tuesday, extending his winning streak and putting pressure on Clinton to win in Ohio and Texas next month to salvage her campaign.