Trump unveils positive second TV ad for air in IA, NH
The ad came out just a few weeks before the Iowa caucuses and New Hampshire primary
Donald Trump
Bernie Sanders tweets during GOP debate that he can beat Trump
Sanders presented a graphic showing the results of a December poll showing hypothetical match-ups
6th Republican debate
The top Republican candidates for president face off in South Carolina
What did voters share on Facebook during the debate?
Donald Trump and Ted Cruz, the leaders in the Republican race, made waves with their back and forth on citizenship
Fact checking Donald Trump on "strong, powerful men" from Syria
Trump said he "looked at the migration" from Syria and primarily saw "very strong, powerful men, young"
What to watch for in the Republican debate
The main stage will be smaller than usual when Republicans meet for the sixth time in the campaign
Poll: Donald Trump expands his lead nationally
The billionaire has more than doubled his lead since a similar poll was released last month
Republicans will support Donald Trump or Ted Cruz as nominee, say GOP leaders
Congressional Republicans are holding their annual retreat in Baltimore, Maryland
Ted Cruz: Not the first W.H. hopeful to face eligibility questions
George Romney, then Michigan's governor, was asked on "Face the Nation" in 1966 about whether he's a natural-born citizen
Bob Schieffer changes his mind on Trump: "He's a master showman"
The former "Face the Nation" moderator and current CBS News political contributor weighs in on the GOP front-runner, the "dead cat theory" of politics, and the 2016 Democratic field
Bush campaign to donors: Ground game will put us over the top
Jeb Bush advisers told donors that the campaign is battling for a second place finish in New Hampshire
Jeb Bush makes the moral case against Donald Trump
A new ad attacks Trump over treatment of the disabled
Republican Party begins to prepare for contested convention
Reince Priebus talked with CBS News about the nomination process and and delegate math that makes an open contest at the convention in July unlikely
RNC chairman didn't think Haley was talking about Trump
"That's not the way I interpreted it," he said of her State of the Union response
Donald Trump attacks Nikki Haley after State of the Union response
Trump is blasting the South Carolina governor for being "very weak" on immigration and for asking him for "a hell of a lot of money" for campaigns
Nikki Haley replies to criticism of her State of the Union response
The South Carolina governor's speech has drawn fire from conservatives for taking swipes at her own party
Donald Trump compares Syrian refugees to snakes
"We have no idea what we're doing," Trump said
Poll: Cruz, Trump in dead heat in Iowa
Less than three weeks before the nation's first nominating contest, Ted Cruz and Donald Trump are vying for first place in Iowa
Ted Cruz begins to sharpen his response to Donald Trump
For days, Trump has been jabbing at Cruz over his eligibility to run for president
Nikki Haley: Resist "siren call" of "angriest voices"
In the GOP response to the State of the Union, the South Carolina governor appeared to rebut not only the president, but also Donald Trump
Why McCain would support Trump as the GOP nominee
The Republican Party's 2008 presidential nominee weighs in on the current race in an interview with CBS News' Major Garrett
Nikki Haley to rebut Obama, Trump in GOP response
The South Carolina governor will say Obama's record has fallen short and call on Americans to resist the temptation to turn away immigrants
CBS/NYT poll: Donald Trump holds onto top spot nationally
Majority of Trump voters say their minds are made up, compared to other GOP primary voters
What Donald Trump and Bengals' Vontaze Burfict have in common
House Speaker Paul Ryan drew a comparison between the two
Trump: Clinton having "tough time" against Sanders in 2016 race
The GOP presidential contender appeared on NBC's "The Tonight Show with Jimmy Fallon" on Monday
Trump waives tariffs on largest buyers of Russian oil
Oregon school shooter ID'd, used shotgun bought by mother, sources say
Exclusive
Sacramento mom says hero son shot, killed Oregon school shooter
On economy, Vance says "we're turning the ship around"
Pope Leo discharged from hospital on Saturday, four days after surgery
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Reported attacks on ships around Strait of Hormuz reach record highs
Katie Zacharia out as White House press secretary after first week
Sean "Diddy" Combs moved to prison in Pennsylvania
