Does Trump have a New Hampshire ground game? Does it matter?
It's difficult to tell if the Trump campaign is secretly professionalized -- or just a slapdash operation struggling to keep up with the GOP front runner's momentum
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It's difficult to tell if the Trump campaign is secretly professionalized -- or just a slapdash operation struggling to keep up with the GOP front runner's momentum
Cruz takes the case against Trump to the voters
The presidential candidate is courting the evangelical vote ahead of the Iowa caucus
Members of Parliament are responding to a petition by the British people, but only the U.K.'s Home Secretary has the power to ban someone
Billionaire presidential candidate has long been seen by Brits as a grotesque American curiosity, but could he actually be barred from entry?
Republican party officials expect Trump or Cruz to win the first two contests
Marco Rubio chimes in to agree with Trump's criticism of the Texas senator, who has doubled down on his line of attack
Despite Democratic showing, the Vermont senator still trounces Clinton in a matchup against GOP frontrunner Donald Trump
The Vermont senator took on both Donald Trump and Hillary Clinton in a "Face the Nation" interview
"I've been hitting them hard and I think I might have had something to do with it," Trump tells crowd in South Carolina
Drug lord's legal team point to Trump as proof that the U.S. has a hostile view of Mexicans
Republican presidential nomination growing increasingly fractured as primary race becomes more urgent
The billionaire isn't holding back with his insults of rival Ted Cruz
The Republican presidential candidate traded in packed rallies for retail politics in Iowa, just two weeks ahead of the first caucuses
One New Hampshire voter is their biggest fan
Cruz and Donald Trump had sparred over what it means to have New York values at the GOP debate Thursday. Prominent New York Democrats sided with Trump
Republican presidential candidate Donald Trump has a new warm-up act -- three cute kids for a song-and-dance routine at his Pensacola, Florida rally
A Houston-based attorney is filing a suit in U.S. District Court to settle the question
Hillary Clinton, New York City Mayor Bill de Blasio, and New York Gov. Andrew Cuomo all sided with Donald Trump after Thursday's Republican debate
Donald Trump said Friday that Cruz "did not have a good night" at the GOP debate
The GOP front runner has come under intense scrutiny for his divisive rhetoric, but his debate performance showed he's not backing down
John Dickerson discusses the "public dissolution of the Donald Trump-Ted Cruz friendship of convenience"
At Thursday's GOP debate, Donald Trump denied proposing a tariff of 45 percent on Chinese exports to the U.S., saying that the Times report was "wrong"
Cruz said, "My friend Donald said he had his lawyers look at this from every which way, and there was no issue there."
The ad came out just a few weeks before the Iowa caucuses and New Hampshire primary