Why Donald Trump is staying on top for now

John Dickerson: Trump won the last GOP debate of 2015 because he was more Trump than ever, and that's working well for him

• Dec 16, 2015

Chris Christie: "We're already in World War III"

New Jersey Gov. Chris Christie denounces rival Rand Paul as "unfit to be president"

• Dec 16, 2015

5th GOP debate: Candidates spar over ways to fight ISIS

Nine Republicans competing for the 2016 nomination are participating in the fifth GOP debate, which is hosted by CNN and Facebook

• Dec 16, 2015

5th Republican debate

The top Republican candidates for president face off in Las Vegas, Dec. 15, 2015

• Dec 15, 2015
• 33 photos

New Hampshire GOP leaders fret over crowded 2016 field

Several candidates are popular in the state, but none may be able to take the lead from Donald Trump before the state's Feb. 9 primary

• Dec 14, 2015

Chris Christie: I don't think Donald Trump is "a bigot"

The New Jersey governor defended his Republican rival during a campaign stop in New Hampshire

• Dec 13, 2015

What does an endorsement get a candidate in the 2016 election?

Chris Christie picked up the endorsement of New Hampshire's most influential newspaper recently, but will it mean anything in February?

• Dec 12, 2015

Poll: Trump maintains lead, Christie climbs in New Hampshire

A WBUR survey has Trump with his strongest showing yet in the Granite State and Chris Christie on the rise

• Dec 11, 2015

Christie hits Obama, Congress over NSA surveillance

The Republican presidential candidate said only more intelligence and law enforcement activity will keep the country safe

• Dec 6, 2015

Chris Christie: NYT gun control op-ed "liberal claptrap"

N.J. governor and GOP presidential candidate tells "Face the Nation" stricter gun laws won't "stop terrorists from attacking us"

• Dec 5, 2015

Presidential candidates can't decide what to do about guns, terrorists

Several bills to expand gun control were shot down by Congress this week, including one that bans people on the terror watch list

• Dec 4, 2015

Sunday: Trump, Sanders, Christie, and Morell

Tune in for the latest on the deadly shooting in San Bernardino, the 2016 election, and more

• Dec 4, 2015

Christie to donors: I'm peaking at the right time

The Republican presidential candidate says he's getting a boost from a recent endorsement by the New Hampshire Union-Leader

• Dec 2, 2015

Influential N.H. paper throws support behind Chris Christie

The New Hampshire Union Leader endorsed Christie as "right for these dangerous times," despite his serious lag in polls

• Nov 29, 2015

Christie nabs key New Hampshire endorsement

Influential Republican activist courted by Bush, Kasich chooses New Hampshire-focused underdog instead

• Nov 28, 2015

Christie on terrorism; Bush: Trump's claim of cheering Muslims on 9/11 "just wrong"

Quotes of the day from the 2016 presidential candidates on the campaign trail

• Nov 24, 2015

Poll: Cruz threatens to overtake Trump in Iowa

A new poll has the Texas senator just 2 points behind the Republican frontrunner and well ahead of Ben Carson

• Nov 24, 2015

Quiz: Which 2016 candidate said it?

Find out just how closely you've been following the Republicans and Democrats running for president

• Nov 18, 2015

2016 candidates on Syrian refugees after Paris attacks

Many Republicans now say the U.S. should reverse plans to take in migrants

• Nov 17, 2015

Republican debate transcript: undercard debate on economy

Four candidates -- Chris Christie, Bobby Jindal, Rick Santorum and Mike Huckabee faced off in the lower-tier debate hosted by Fox Business Network and the Wall Street Journal

• Nov 10, 2015

GOP candidates discuss jobs, taxes at undercard debate

Four candidates face off in the lower-tier debate while the top eight contenders will be on the main stage

• Nov 10, 2015

Christie, Clinton, Huckabee on whether Carson faces too much scrutiny

Also, Jeb Bush on whether he'd kill Baby Hitler. Quotes of the day from the 2016 presidential candidates on the campaign trail

• Nov 9, 2015

GOP 2016 candidates say they'll reverse Obama's Keystone decision

It took Obama most of his presidency to reject the pipeline project, but Republicans promise to quickly reverse it if elected in 2016

• Nov 6, 2015

Christie, Huckabee bumped from Fox Business main debate stage

In spite of some encouraging results in recent polls, New Jersey Gov. Chris Christie didn't make the cut for Republican main stage

• Nov 5, 2015

Christie's emotional plea about addiction goes viral

The New Jersey governor uses a personal story about his mother to argue in favor of better treatment for drug addicts

• Nov 4, 2015

Show More