Hillary Clinton attended a star-studded concert in New York City. Bernie Sanders flew to Maine and Michigan to rally voters. On the Democratic side, Michigan is the next big prize.
In Germany, the American presidential primaries are generating more interest than usual — especially in Trump, a candidate who has German roots, and whose rise has many Germans feeling alarmed.
The apparent depth of support for Donald Trump among evangelical voters has produced an identity crisis within that conservative world. Some are disassociating themselves from the broader community.
As more critics point to an undercurrent of bigotry in some of Donald Trump's statements, journalists grapple with how to characterize what he says — and what he means.
Republican presidential candidates meet again Thursday night in their 11th debate. Just four men will be on stage: Donald Trump, Ted Cruz, Marco Rubio and John Kasich.
The 2012 GOP presidential nominee will give what's billed as a major speech on the current campaign. In Detroit, Ben Carson won't be at the GOP debate, though he has not officially ended his campaign.
In the race for the Republican presidential nomination, former Minnesota Gov. Tim Pawlenty is backing Sen. Marco Rubio. David Greene talks to Pawlenty about the viability of Rubio's candidacy.
In China, people generally find Donald Trump's rhetoric way over the top. They are, however, wary of Hillary Clinton because of her past, get-tough-on-China policies.
David Greene talks to Rep. Darrell Issa about his perspective on encryption, specifically the showdown between Apple and the FBI over unlocking the iPhone of one of the San Bernardino shooters.