Both Clinton and Obama campaigned heavily in Nevada, where polls showed the two senators neck-and-neck at the start of the week.
The pair's animosity didn't begin with Romney's first New Hampshire attack ad last month, or McCain's recent New Hampshire surge that left the two men roughly neck-and-neck in most primary race surveys.
Indeed Labour claims that, if the two parties were neck-and-neck in their national share of the vote this time, this would be the best result for any governing party, two years into its term, for 50 years.
Despite beginning Oscar season as the front-runner, and scoring more nominations than any of its rivals (11 in total), Scorsese and The Aviator ultimately lost out to Clint Eastwood for Million Dollar Baby, after a neck-and-neck battle between the two films.
In each country, Sodexho garnered for itself the number one or number two position, running neck-and-neck with U.K.-based Compass Group.
The doubts over the conduct of the election are particularly troubling because most opinion polls show that the two candidates are now neck-and-neck: one polling firm, Datum, gives them both 46%.
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Right now the two distribution techniques are running neck-and-neck.
Opinion polls say the state's two smaller parties are running neck-and-neck, though in the elections there five years ago the Greens, with 10%, got more than twice as many votes as the liberals.
The other night, doctors took a two-inch nail out of Paul's neck, she says.
According to clinicaltrials.gov, there are still two ongoing studies of Vectibix in head-and-neck cancer that could be used as part of an approval.
McCullum, who overcame a painful collision with Johan Botha when he slid into the crease and injured his neck, hit two sixes, top-edging over fine-leg and flat-batting over long-on.
Father-of-two Mr Nicklinson, who was paralysed from the neck down, had been refusing food and contracted pneumonia after he was left "crestfallen" by the court's decision.
And we hit the notorious bars in the sky: Vertigo, atop the Banyan Tree (banyantree.com), which has D gibbering with health-and-safety-induced anxiety and requires us to neck two vast martinis each to facilitate the walk down the vertiginous steps clinging to the side of the building.
The "bottle-neck" to get on that final shortlist of two is the hurdle that put paid to Ann Widdecombe's leadership hopes.
The 60-year-old Khan fractured a vertebra in his neck and two in his back in the fall, said his doctor, Faisal Sultan.
Stage 2B refers to the two areas of the body where Daniel has it -- the chest and the neck -- and the symptoms he has experienced: tumor, fatigue, weight loss and night sweats.
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Two opinion polls published on Saturday showed the anti-bailout left-wing Syriza bloc neck and neck with centre-right New Democracy, both on about 25%.
The gold medal was never in any doubt for Chambers despite having two in-form Italians, cheered on by the local crowd, breathing down his neck, with one tenth of a second separating the Briton and second-placed Cerutti.
With its 15-inch floating screen, table-top dome housing all the hard bits, and a chrome neck joining the two, it's been modelled on a sunflower.
The great-grandmother suffered a broken neck in the incident last May and died in Frenchay Hospital two days later.
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But according to two US-based scientists, the owl has some very smart bone and vascular structures running along its neck to the skull.
It pitted two well-funded, popular incumbents, each of whom has won several statewide elections, against each other in a neck-and-neck race where the polls have not budged for months.
The straightness of his back came from something else: that on his third attempt at escape from prison camp he was beaten senseless, and his skull and neck broken, by two Breton peasants with pitchforks, and was invalided out in exchange for a U-boat commander.
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