New Mexico governor endorses Marco Rubio
The RGA chair and first Hispanic woman governor said "stakes...are too high" for her to remain neutral
Marco Rubio
John Kasich: Maybe Marco Rubio is taking votes from me
He told reporters he would have won Vermont on Super Tuesday if Rubio hadn't sent "one of his hit men" there
Trump says he is a "unifier" after Super Tuesday wins
The Republican front-runner took credit for high turnout and promised to bring the party together
Who supported Donald Trump, Ted Cruz and Marco Rubio?
Where did each of the candidates perform well Tuesday and what does it mean for the road ahead?
Super Tuesday 2016: Rubio says attacks on Trump are working
The Florida senator, speaking at a Super Tuesday campaign event in Miami, said the presidency "will never be held by a con artist"
Marco Rubio campaign downplays Super Tuesday to donors
In a series of meetings with donors and bundlers, the Florida senator's campaign insisted they have a plan to keep Donald Trump from getting the delegates necessary for the nomination
GOP governors hold call on 2016 presidential race
More than 20 GOP governors gathered on a Republican Governors Association call Monday and discussed Donald Trump and the GOP primary
Why Marco Rubio will be in Florida on Super Tuesday
He'll be in Minnesota during the day, but he'll return home to Miami, Florida on Tuesday night
Super Tuesday: What you need to know
Here's the CBS News guide for what to watch and how things work on the biggest primary day of the year
Cruz: Super Tuesday is best opportunity to beat Trump
Cruz cast a vote for himself in his home state of Texas and said it might be time for other candidates to consider unifying behind him
Super Tuesday: Five things to watch for
After a contentious primary season with huge surprises in both the Democratic and GOP races, Super Tuesday could bring some clarity to 2016
3 reasons Warren Buffett is optimistic about economy
The billionaire flatly rejects the economic pessimism that the Republican presidential candidates are campaigning on
Trump's rivals call for release of New York Times audio
Both Florida Sen. Marco Rubio and Texas Sen. Ted Cruz are asking Trump to call for the audio, of an off-the-record meeting with the Times's editorial board, to be made public
Donald Trump, Hillary Clinton lead in national poll
Trump has a massive lead over his closest GOP rivals
Marco Rubio goes after Donald Trump's "small hands"
Florida senator explained to an audience what small hands means, and also kept up attacks on the GOP front-runner's face color
Donald Trump: Republican Party "not treating me right"
The GOP front-runner suggested on "Face the Nation" that he could go back on his pledge to support the eventual GOP 2016 nominee
Rubio: "Hounds of hell will descend" if Trump wins
Florida senator told "Face the Nation" he's the underdog, but that he'll make sure the "world-class con artist" never gets the delegates he needs
Poll: Trump leads in Virginia, Georgia; Cruz hanging on in Texas
Super Tuesday contests see Donald Trump poised to extend delegate lead
Cruz: Trump "has the same issues" as Clinton
Texas senator on "Face the Nation" dismissed "entertainer" Trump's attacks, but acknowledged Super Tuesday could end the GOP race
Marco Rubio releases tax return summaries
The Florida senator's returns show him and his wife earning $531,000 per year during his first four years in the Senate
Marco Rubio: GOP could split apart if "con man" Trump is nominee
His comments came only a short while after Chris Christie endorsed Donald Trump for president
Rubio suggests Trump wet his pants, Trump hurls insults back
The Florida senator ratchets up the more aggressive campaign style that he rolled out in Thursday's debate
What "bombshells" lurk in Trump's tax returns?
The Donald won't release filings, citing "years" of IRS audits. Maybe these top tax ploys by real estate moguls are in there
Trump University under renewed scrutiny after GOP debate
Marco Rubio assails "fake" university that was the subject of a three-month CBS News investigation
Marco Rubio hits "con artist" Donald Trump
But the Florida senator denied that he was considering a contested convention to earn the nomination
Trump calls off plan to livestream Fort Hood shooter's execution
Feds probing suspicious letters to election officials, lawmakers
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