Marco Rubio's super PAC targets Chris Christie
The ads target some of Christie's more liberal policies and the Bridgegate scandal
Marco Rubio
Marco Rubio: Obama has "deliberately weakened America"
He attacked both the president and Hillary Clinton on foreign policy in a speech in Hooksett, New Hampshire
GOP candidates bash Obama over expected executive action
Trump charged that Obama is "getting away with murder" on guns, while Christie called the president a "petulant child"
Trump: I'd be a "much different person" as president
The Republican 2016 presidential candidate tells "Face the Nation" how his style would change in the White House
Chris Christie, like Rubio, has a spotty attendance record
The New Jersey governor slammed Rubio's Senate attendance record, but Christie's reputation has been hurt by his time out of state
Marco Rubio responds to attacks on his Senate record
He called Christie "desperate" and said Bush's attacks are nothing new
Bush super PAC unveils ad slamming Rubio's voting record
Right to Rise released an ad noting that the Florida senator was absent from a classified briefing on terrorism after the Paris attacks
Super PAC spending higher in New Hampshire than Iowa
The Des Moines Register analyzed super PAC filings with the Federal Election Commission
Benghazi Committee chairman to campaign with Rubio in Iowa
Rep. Trey Gowdy, R-South Carolina, will travel with Rubio and attend town halls in Iowa this week
Campaign trail stops don't necessarily lead to high poll numbers
CBS News tracked the number of days each candidate spent in all 50 states since they launched their campaigns this year
Hillary Clinton, John Kasich fare well in new polls
Last week's Democratic debate helped boost Clinton's support among Democrats
Ted Cruz on Post cartoon: "Don't hit little girls"
Cruz spoke with reporters in Oklahoma about a Washington Post cartoon that had made fun of his daughters
Who's the top Senate talker of 2016 candidates?
C-SPAN compiled data on how often the candidates in the Senate spoke and vote in 2015
Washington Post retracts cartoon depicting Ted Cruz's daughters as monkeys
On this issue, Ted Cruz and Marco Rubio, who have been attacking each other all week, stood together against the newspaper
Poll: Trump trails Clinton, Sanders in matchup
He is still leading the Republican field, although Texas Sen. Ted Cruz is on his heels
In NH, Marco Rubio is embracing retail politics
Until now, Rubio has been mostly cordoned off from voters and reporters, with less retail politicking than his opponents
Jeb Bush mocks immigration spat between Cruz, Rubio
"Typical of two senators...they were literally arguing about something that didn't happen," the 2016 candidate tells "Face the Nation"
Rubio: Trump shouldn't be honored by Putin's praise
Florida senator in "Face the Nation" interview takes on Ted Cruz's inconsistencies, Trump's bluster, and how he felt about being called "a bigot"
Marco Rubio: Ted Cruz is not such a "purist" on immigration
In an interview with "Face the Nation," the Florida senator discusses how he and Cruz, his GOP primary rival, have approached the issue of immigration
Rubio explains skipped vote, takes swipe at Paul
The GOP presidential candidate sat down with Face the Nation host John Dickerson in Iowa on Friday
Quiz: How closely have you been following the 2016 election?
It's been a busy year on the campaign trail - test your knowledge of the election's twists and turns as 2015 comes to a close
Sunday: Marco Rubio, Jeb Bush, and new CBS News Battleground Tracker polls
Tune in for the latest on the GOP presidential campaign, along with a look at the state of the race in both parties in early voting states
What's behind the Cruz-Rubio immigration fight
The two men are locked in a battle to become the alternative to Donald Trump
Rubio continues to highlight differences with Cruz after debate
Looking to keep up his momentum after Tuesday night's debate, Rubio campaigned in both Iowa and New Hampshire on Wednesday
Did Ted Cruz release classified information during Republican debate?
Senate Intelligence Committee chair Sen. Richard Burr asked his staff to check on something Cruz said during the fifth GOP debate Tuesday night
Live
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
Exclusive
Ousted general warned of missile defense shortage before Iran war
Live
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
