Rivals pile on Trump at second GOP debate
The 10 candidates on stage took turns taking on the bombastic Republican front-runner, with varying degrees of success
Marco Rubio
Transcript: Top-tier CNN Republican debate 2015
The 11 GOP candidates who were highest in the polls faced off at the Ronald Reagan Library in Simi Valley, California, for the second Republican debate of the 2016 cycle
Republicans face off at Reagan Library for second GOP debate
The 11 GOP candidates doing the best in the polls face off at the Ronald Reagan Library in Simi Valley, California, for the second GOP debate of the 2016 cycle
How do I watch the Republican Debate?
Get a look at the lineup for the two GOP debates happening in California Wednesday evening
Santorum visits all 99 Iowa counties
Some presidential candidates see it as a path to success in Iowa, while others prefer to concentrate on more populous areas
Marco Rubio calls for lifting of crude oil export ban
The export ban dates back to the 1970s in order to help foster U.S. energy independence
Chris Christie shares his debate woes with Jimmy Fallon
The New Jersey governor jokingly pledged to go "nuclear" at the next debate if he doesn't get many questions
Where the 2016 Republican candidates stand on climate change
There is widespread skepticism in the GOP that humans cause climate change - or that the climate is changing at all
Trump shows no signs of slowing down in Iowa
Latest polling shows Trump's favorability in early caucus state on the rise as rivals struggle to adapt
Scott Walker and Marco Rubio deliver duelling foreign policy speeches
Walker's and Rubio's speeches were close to the same time and both in Charleston, South Carolina
Scott Walker: U.S. needs to be tough on China
The Wisconsin governor and presidential candidate delivers a foreign policy speech in South Carolina Friday
A mainstay of presidential campaigning: China-bashing
In the general election, the parties face off against one another, but for the whole of campaign season it seems there is one common foe
Marco Rubio: What does he stand for?
The Florida senator has billed himself as a fresh face for the GOP - but is he conservative enough to win over the grassroots?
Marco Rubio: U.S. strength key to maintaining peace with China
He delivers a speech on China policy Friday in South Carolina, just after financial markets were shaken by China's move to weaken its currency
After on-air shooting, Dems call for more gun control
The Republicans who responded to the WDBJ shooting focused on mental health care
An Iowa college student's encounters with the GOP presidential candidates
Kelsi Wolever fought through the state fair crowds to get to Jeb Bush, Scott Walker and others so that she could ask them her policy questions and snap a selfie
New Hampshire "super volunteers" boost 2016 candidates
Local volunteers who will hit the ground for candidates help keep the grassroots nature of the nation's first primary alive
Unscripted moments on the 2016 campaign trail
Presidential elections can be pretty dry, but occasionally a surprise or a mistake adds a bit of whimsy to the process
Would Biden or Clinton do better against Trump?
A new Quinnipiac poll breaks down where the vice president could be a better choice
Republicans question Rubio's slow start in 2016
The presidential candidate is spending less time on the ground in key early-voting states
Graham: "Pretty hard to understand" Donald Trump's rise
The 2016 presidential candidate also said his rivals don't have sufficient plans to defeat ISIS
John Kerry: Next president won't undo U.S.-Cuba thaw
The secretary of state was in Cuba Friday to observe the American flag being raised at the U.S. embassy in Havana
Marco Rubio blasts Obama on U.S. embassy opening in Cuba
"Obama has rewarded the Castro regime for its repressive tactics," the 2016 GOP hopeful said ahead of the U.S. embassy's flag-raising in Havana
Hillary Clinton weighs in on Donald Trump, rolls out college affordability program
After unveiling her plan to reduce college debt, Clinton went after Marco Rubio, and weighed in on the latest Donald Trump controversy
What would John Kasich do with immigration policy?
The Ohio governor and GOP presidential candidate says undocumented immigrants "contribute a lot" to America
3 children, 1 teacher killed in Oregon school shooting, police say
Vance says "selling access to the White House" is "disgusting"
White House prepares plans to use "mother of all bombs" on Iran
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Ousted general warned of missile defense shortage before Iran war
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Strait of Hormuz still unsafe for ships, maritime group warns
Trump calls off plan to livestream Fort Hood shooter's execution
White House's Katie Zacharia confirms she never passed bar exam
Sikh separatist says FBI warned him of new threat against him
