7 memorable Democratic debate moments
CNN Democratic debate reality check
Photos: The first Democratic debate
Photos: Key quotes from the debate
Joe Biden won't run for president
Clinton exudes confidence
What they said about marijuana
Donald Trump live-tweets debate
Opinion: We're back in 2008
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Behind the scenes in Las Vegas
CNNgo: Watch the full debate
Debate video moments
Sanders: People sick of Clinton's 'damn emails'
Obama's message to Democratic debate candidates
Hillary Clinton: Everybody here has changed positions
Sanders: Why I'm a Democratic Socialist
Sanders, O'Malley get testy on gun control
Clinton's non-response to Chafee's attack
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Political careers in photos
Meet the candidates
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Who is Lincoln Chafee?
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Who is Bernie Sanders?
Who is Jim Webb?
How one typo helped let Russian hackers in
How one email put the Clinton campaign at risk
Bernie Sanders says reported investigation into his wife stems from 'pathetic' attack
Sanders: Pathetic to go after people's wives
House Russia investigators interview John Podesta
Hillary Clinton full ALA Conference speech
Hillary Clinton hits Trump's budget cuts in Chicago
What Russia's bold attempt to influence the 2016 election says about US political polarization
As the health care vote looms, Trump's tweets mostly look elsewhere
Spicer: Trump was 'joking' when he asked Russia to hack Clinton
Trump: Hillary Clinton and Democratic Party 'colluded' against Sanders
Sanders takes center stage, Trump recedes, as health care fight heats up
Trump: Clinton, Dems colluded against Sanders
Another Hollywood star 'joked' about killing Trump, but no one's laughing
Trump: 'Bothersome' that Mueller is 'very good friends' with Comey
Hillary Clinton: GOP is 'death party' if health care bill passes
#2020Vision: Kander and Buttigieg make moves; Holder takes on a more public role
Judiciary committee asks Lynch to disclose Clinton email conversations
Bernie Sanders to headline 'Don't Take Our Health Care' tour
Sen. Bernie Sanders: 'Democratic brand is pretty bad'
Bernie Sanders' full response to Senate bill
Sanders: Democrats' branding is bad
Sanders: GOP health care bill is barbaric
First on CNN: House intel panel plans to interview Podesta next week, sources say
2016 Presidential Campaign Hacking Fast Facts
Everything Trump has said about who tried to hack the US election
Democrats beat the spread. But that's not enough
Progressives already thought Democrats were aimless. The special election wipeout might prove their point
Michael Bloomberg to Trump: Stop tweeting and run the government
5 things to watch in Georgia's high-stakes House special election
Sanders backs Ossoff despite centrist stance
Sanders, Warren tell Americans to demand health care bill transparency
Sanders urges Dems to play hardball on health
Sanders: I haven't been asked about shooter
Sanders defends clash with Russell Vought
Sanders: Some Dem rhetoric 'not acceptable'
Bernie Sanders full interview
Sanders: GOP baseball shooting a tragedy
Here's some of what Mueller might look at if he investigates obstruction
Republicans, resist the temptation to blame liberals for this tragedy
Memo to Donald Trump: The election ended 219 days ago. You won.
Congressional ballgame goes on despite shooting
GOP House Whip Steve Scalise remains in critical condition after shooting at baseball practice
Suspect in congressional shooting was Bernie Sanders supporter, strongly anti-Trump
Jane Sanders: Violence is 'not what Bernie preaches'
Jane Sanders: Bernie doesn't preach violence
GOP baseball gunman was anti-Trump
Sanders condemns shooter who 'apparently' volunteered on campaign
Gingrich: Shooting 'part of a pattern' on the left
Bernie Sanders on shooting: I am sickened