Billionaire environmentalist undecided on Clinton, open to Sanders
Democratic megadonor Tom Steyer doesn't believe Clinton has "fully fleshed out everything she has to say about energy and climate"
Hillary Clinton
Clinton's server had emails beyond top secret level
The inspector general for the intelligence community recently updated Congress on the contents of the former secretary of state's home server
Bernie Sanders embarks on Iowa bus tour
In a bid to challenge rival Hillary Clinton in the final days leading up to the caucus, Sanders hits the road
Obama meets with Flint mayor at White House
Earlier in the day, Mayor Karen Weaver said Hillary Clinton is the only 2016 candidate who's called her regarding the water crisis
Poll: Sanders holds significant lead in New Hampshire
The poll found that Sanders leads Hillary Clinton by 27 percentage points
Human Rights Campaign endorses Hillary Clinton
The nation's largest LGBT group says Republicans are fighting to "take us backwards"
Fact check: Clinton slams Sanders on bank votes
In Sunday night debate, Democratic front runner seeks to deflect against attacks that she is too cozy with Wall Street
Fact check: Clinton's claims about Sanders' gun record
Clinton listed a number of votes the Vermont senator has taken in Congress that were not favorable to gun control activists
Bernie Sanders on what some liberals might not understand about gun culture
Vermont senator and Democratic presidential candidate tells "Face the Nation" that gun ownership "is a way of life in my state"
Clinton, Sanders spar on health care, Wall Street
The fourth Democratic debate also features former Maryland Gov. Martin O'Malley, who is still sitting in single digits
Michigan gov. fires back at Democrats on Flint crisis
Hillary Clinton and Bernie Sanders both suggested the governor had been negligent in his handling of lead-contaminated drinking water
Transcript: Clinton, Sanders, O'Malley debate in South Carolina
The three remaining Democratic presidential candidates took the debate stage Sunday in South Carolina
Debate: Hillary Clinton "pleased" with White House talks in Silicon Valley
The Democratic frontrunner said she was satisfied with recent conversations the administration has had to recruit tech companies in the fight against ISIS
Debate: Bernie Sanders hammers Hillary Clinton over Wall Street ties
"I don't get personal speaking fees from Goldman Sachs," Sanders said on Sunday's debate stage
Bernie Sanders: Question on Bill Clinton's sexual past "annoys me"
The Vermont senator took a stand during Sunday's debate against any further inquiries about the former president's sexual history
Bernie Sanders: DOJ should "automatically" investigate police-related deaths
Anybody killed in police custody "should automatically trigger a U.S. attorney general's investigation," Sanders said during Sunday's Democratic debate
4th Democratic debate
Democratic presidential hopefuls square off in South Carolina, Jan.17, 2016
Bernie Sanders supports new gun manufacturer liability measure
Bill would amend law that protects gun manufacturers and sellers from liability; move comes amid fight with Hillary Clinton on guns
Sanders proposes tax hike to pay for health care plan
The Democratic presidential candidate's "Medicare for all" plan released Sunday would be paid for by a variety of tax increases
How to watch tonight's Democratic presidential debate
Hillary Clinton, Bernie Sanders and Martin O'Malley will face off in the debate in Charleston, South Carolina
Rubio: My gun a "last line of defense" against ISIS
The Republican presidential candidate talked on "Face the Nation" about purchasing a firearm on Christmas Eve
Poll: Clinton widens national lead over Sanders
Despite Democratic showing, the Vermont senator still trounces Clinton in a matchup against GOP frontrunner Donald Trump
Clinton urges Sanders to "flip-flop" on more gun laws
The leading Democratic candidate has been pushing her rival to take a stronger stance in favor of gun control
Sanders: I have a "good chance" to win 2016 election
The Vermont senator took on both Donald Trump and Hillary Clinton in a "Face the Nation" interview
Ted Cruz's "apology" over remarks on "New York values"
Cruz and Donald Trump had sparred over what it means to have New York values at the GOP debate Thursday. Prominent New York Democrats sided with Trump
Trump says he'll start paying for ads after pushback over taxpayer funding
FlyDubai co-pilot planned to crash jet into Israeli airport, official says
Ex-"American Idol" contestant Caleb Flynn gets life sentence
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Battle with Iran-backed Houthis in Yemen tempers news on oil flow
Russia plays down reported plague lab death and says, trust us
Chicago-bound flight drops 27,000 feet, returns to London
Defense attorney says Letitia James should recuse herself from Cornell investigation
Dennis Hastert, disgraced former House speaker, dies at 84
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