Debates

The Kentucky senator is boycotting the undercard GOP debate after he was demoted from the prime-time stage.

NBC/WSJ poll shows Trump leading Cruz by 13 points, compared with his five-point lead in December.

Trump said he influenced the network's decision to cut the New Hampshire paper from the debate.

The 30-second spot opens with a shot of President Barack Obama and Hillary Clinton.

The highest-polling GOP presidential candidates lined up across the prime-time stage Tuesday night.

Nine out of the 14 candidates will take the main stage for the fifth and final GOP event of the year.

Over 8 million watched Saturday's event in Des Moines, Iowa.

Democratic candidates Hillary Clinton, Bernie Sanders and Martin O'Malley will face off in Iowa at 9 p.m. ET.

Carson's remarks came after the real estate mogul went on a lengthy rant about him.

GOP presidential candidates will face off in their fourth debate of the election season.

Republican candidates are seeking control over how the debates are run.

Meanwhile, Clinton now won't accept donations from PACs for private prison companies.

The new survey shows that voters are attracted to Carson's personal story.

The retired neurosurgeon leads the real estate mogul by 8 percentage points in the early primary state.

Fiorina had polled poorly in July and early August, but she gained support after the first Republican debate on August 6.

The drumbeat for Biden to jump into the 2016 race is growing louder.

The debate, which is the third GOP event of this election cycle, will be held on October 28.

CNN would allow vice president to take part even if he declares his campaign the day of the event.

The real estate billionaire leads the retired neurosurgeon by one percentage point.

Despite an impressive showing at the last Republican debate, Carly Fiorina trails Ben Carson.

There's nothing wrong with entertainment, but it's not a substitute for rational analysis.

Eleven presidential contenders will face-off Wednesday at 8 p.m. ET.

National support for Republican candidate Carson has reached 23 percent, just 4 percentage points behind Trump.

The CNN Republican presidential debate will take place in southern California on Wednesday.

Congresswoman Debbie Wasserman Schultz fights off the charge that she's biased for Clinton.

Candidates like Bernie Sanders seek to speak on their terms

Over 140,000 have signed a petition arguing he has the right experience: "Over the last 16 years, Jon Stewart has played an influential and iconic role in covering US politics and media."

Jim Gilmore could be left on the sidelines.

The top 10 Republican candidates in the polls will participate in the Thursday night debate on Fox.

Opinion polls after the event all produced different winners.