With the GOP's South Carolina primary days away, the Republican rivals have traded heated threats over an ad run by the Cruz campaign that paints Trump as pro-choice.
The official line in Russia is that it doesn't matter who wins in November, since it won't change what the Kremlin sees as Washington's anti-Russia stance. But some candidates are better than others.
New Hampshire has a reputation for strong voter participation and independents. It's really easy to get on the ballot, and it has had a better track record of picking GOP nominees in recent years.
The term has also been used to cover certain ideas, attitudes, movements and schools of thought. It has been affixed to leading American politicians, in both major parties, including Teddy Roosevelt.
New York Times political reporter Trip Gabriel has spent the past year in Iowa, covering the political operations, speeches and rallies leading up to the first vote of the presidential campaign.
The Ohio governor and 2016 GOP presidential hopeful outlined his foreign policy agenda in an interview with NPR, saying, "I think it is absolutely critical to invite our moderate Muslim friends."
The freshman senator from Texas is biding his time, hoping to ascend like another freshman senator did to the presidency two elections ago. NPR's Wade Goodwyn focuses on Sen. Ted Cruz's campaign.
With the New Hampshire primary barely three months away, he arrives in the state knowing that it's his best chance to re-establish his credibility and get his campaign back on track.
Reporter Evan Osnos says the removal of the Confederate flag from South Carolina's state house reinvigorated extremist white-rights groups. Then, he says, "into that moment dropped Donald Trump."