Poll: Clinton leads Sanders by 41 points in Iowa
This poll captures Iowa caucus-goers' opinions after Clinton's congressional Benghazi testimony last week
Bernie Sanders
Sanders accuses Clinton of flip-flopping on key issues
Both presidential candidates have traded barbs over the Keystone Pipeline, guns, and other issues over the last few days
At Iowa dinner Sanders slams Clinton, but her organization dominates
Though he didn't mention her by name at Iowa's Jefferson-Jackson dinner, Clinton was clearly the target of his criticism
Clinton atop Iowa, gains in New Hampshire
Battleground Tracker Poll shows Clinton's backers more enthusiastic; drawn to Clinton on experience.
Jostling for support at the Jefferson-Jackson dinner
Six thousand Democrats are gathering for one of the key events of the Iowa campaign
Another Iowa poll finds Clinton leading with Biden out of the race
Hillary Clinton pulls ahead of Democratic rival Bernie Sanders in Iowa
Poll: In Iowa, Clinton leads with Biden out of the race
The vice president's announcement puts more room between Hillary Clinton and Democratic rival Bernie Sanders in Iowa
Polls show gains for Clinton, slowing support for Bush
Hillary Clinton surges in New Hampshire, national favorability ratings
New 2016 polls have bad news for Biden, Fiorina
Hillary Clinton continues to pull good numbers after the first Democratic debate
Bernie Sanders encourages audience members to share stories
Presidential hopeful held an event at William Penn University in Oskaloosa, Iowa, and CBS News campaign embed Kylie Atwood was there
Bernie Sanders has an "ample" underwear supply
The Democratic presidential candidate responded to an impression of his debate performance on "SNL" this weekend
Poll: No boost for Clinton after debate performance
More than six in 10 Democrats say she did the best during the debate, and while she still leads, her poll numbers have not gone up
Bernie Sanders to explain "democratic socialism"
The Democratic presidential candidate said he'll give a "major speech" to explain his political views
Poll: Clinton deadlocked with Sanders in New Hampshire
Clinton is now tied with Sanders, who had been leading in recent polls in the key early voting state
How Sanders and Clinton differ in campaign spending
Sanders only recently hired a pollster, while Clinton has already spent about $6 million on ads
Hillary Clinton: "I will not be silenced" on guns
Post-debate, Clinton rallies Latinos in Texas
Which 2016 candidates raised the most money?
Presidential hopefuls are beginning to announce their third quarter fundraising hauls
Donald Trump keeps up momentum, targets Bernie Sanders
Recent polls had showed neurosurgeon Ben Carson coming within striking distance of the businessman
Bernie Sanders busts a move with Ellen Degeneres
The Democratic presidential candidate also reveals to the talk show whether he's ever been in handcuffs
Fact-checking the Democratic debate
A look at some of the claims made Tuesday night in Las Vegas
How many people watched the first Democratic debate?
The viewership blew away previous records for a Democratic debate
Sanders raises $1.3 million off debate performance
Sanders' campaign says the Vermont independent raised $1.3 million in the four hours after the debate began
1st Democratic debate 2015 - highlights
Democratic presidential hopefuls square off in first debate of campaign 2016
Democratic debate: Which enemy are you most proud of?
The final question of the night for the first Democratic presidential debate
Facebook loved Sanders' defense of Clinton's email
Sanders' claim that the American people are "sick and tired" of Clinton's email scandal was Facebook's top social moment of the Democratic debate
Sherrod Brown wins Ohio Senate race, flipping seat for Democrats
Democrat Annie Andrews wins South Carolina Senate race
Trump says he could use "tremendous powers" if Democrats win
Gina Hinojosa wins Texas gubernatorial race against Greg Abbott
See CBS News exit poll results for the 2026 midterm elections
Democrat Amy Acton wins Ohio governor's race
Democrats retake House majority after 4 years
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Iran dismisses U.S. response to peace proposal
