Marco Rubio: 70 percent of GOP won't vote for Trump
The Florida senator tells "Face the Nation" why he thinks he can win the nomination after getting crushed in South Carolina primary
Marco Rubio
Donald Trump wins decisively in South Carolina
For the second time in three contests, Donald Trump won with a double-digit lead -- exit polling shows what was behind his victory
While Trump wins, Rubio shows strength in South Carolina
Trump wins, Bush drops out, and Rubio mounts a comeback
CBS News projects Donald Trump win in South Carolina primary
Polls closed across the state at 7 p.m. EST
New data: Donald Trump loses support ahead of South Carolina primary
Fresh survey results show the GOP race shifting in the final week as Republican voters consider their options
How to watch South Carolina's GOP primary
The state holds its Republican primary today and Democratic primary a week later on Feb. 27
5 things to watch for in the S.C. Republican primary
South Carolina Republicans go to cast their votes Saturday, with polls closing at 7 p.m. ET
What to expect from the S.C. Republican primary
The battle in South Carolina is for second place, the Trump alternative, according to "Face the Nation" host John Dickerson
Undecided S.C. voter "fed up" with onslaught of campaign material
Republican Tommy Harken welcomed CBS News into his kitchen to get a taste of the political calls, mail he gets in one day
Rubio robocalls slam Cruz's "dishonest" campaign tactics
The Rubio campaign employed a message recorded by South Carolina Rep. Trey Gowdy, who endorsed the Florida senator last year
Jeb Bush hits bumps on the campaign trail in S.C.
After news leaked that South Carolina Gov. Nikki Haley would endorse his rival, Bush said he was "disappointed"
Rubio, Cruz intensify political mudslinging in lead-up to S.C. primary
The two senators and Ben Carson participated in CNN's first GOP town hall
Nikki Haley endorses Marco Rubio in South Carolina
The South Carolina governor, considered one of the top endorsements in the state, backed Rubio just three days before voters there head to the polls
Poll: Donald Trump trounces rivals ahead of S.C. primary
The businessman has a 19-point advantage over his closest opponent, Texas Sen. Ted Cruz
Cruz to Trump: Go ahead and sue me
Responding to threats of a lawsuit from Donald Trump over a campaign ad, Cruz laid out a legal argument explaining why his GOP rival's suit would be "frivolous"
Kansas governor endorses Marco Rubio
Sam Brownback is now the first sitting governor to endorse the Florida senator
Candidates: Where's your cybersecurity platform?
A cybersecurity executive raises five important questions the next president will need to answer
15 Ted Cruz quotes
Known for his Christian values and staunch conservatism, Texas Senator Ted Cruz does not mince words
Rubio breaks down his well-liked debate performance
The Florida senator joined "Face the Nation" and talked about Ted Cruz "making things up," as well as the road ahead for his campaign
Poll: Who won the CBS News Republican debate?
CBS News conducted an overnight survey of Republican and independent voters who watched Saturday night's debate
The gloves come off in CBS News' Republican debate
Donald Trump's blunt rhetoric has appealed to voters so far, but he took his controversial approach to politics to a new level Saturday night
See why Ted Cruz started debating Marco Rubio in Spanish
The two senators found themselves in a familiar fight with a new twist in Saturday night's CBS News Republican debate
GOP debate: Candidates clash on policy, records
The remaining six GOP candidates face off for the first time since the New Hampshire primaries
Republicans show they're ready to fight ahead of debate
GOP rivals launch attacks aiming to capture attention in South Carolina, where faith is central to many voters
Sunday: Donald Trump, Marco Rubio, Bernie Sanders, and new poll numbers
Tune into "Face the Nation" for the latest on campaign 2016, including a new batch of Battleground Tracker poll numbers and a look at Saturday's CBS News Republican debate
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