A voter takes part in the Democratic primary in Purcellville, Virginia. Photo: Andrew Caballero-Reynolds/AFP via Getty Images
Voters in 14 states and one territory cast their ballots on Super Tuesday, tweeting and blogging along the way.
Why it matters: The huge delegate hauls of California and Texas this year make the day about as close as the U.S. gets to a national presidential primary.
The big picture: Analysts are watching tonight to see if Joe Biden can turn a South Carolina landslide — and the subsequent unification of moderate Democrats — into a campaign that can beat Bernie Sanders.
As Dave Wasserman, editor of the Cook Political Report, tweeted today, that's hard to guess:
Reporters have fanned out across the country to describe the mood of voters casting their ballots and the challenges election workers face as voters exercise the most basic democratic right.
Bernie and Jane Sanders vote in Burlington, Vermont. Photo: Chip Somodevilla/Getty ImagesElizabeth Warren votes in Cambridge, Massachusetts Photo: Scott Eisen/Getty ImagesDaisy, a golden retriever, stands next to a sign near a polling station in San Diego, California Photo: Sandy Huffaker/Getty ImagesA voter on the way to a polling station in Houston, Texas, walks past a mass of political signs. Photo: Mark Felix/AFP via Getty ImagesSupporters of various Democratic campaigns stand outside an international polling place in London. Photo: Peter Summers/Getty ImagesA voter fills out her ballot in a polling station at the San Francisco Columbarium & Funeral Home. Photo: Justin Sullivan/Getty ImagesVoters line up to cast their ballots in Houston, Texas. Photo: Mark Felix/AFP via Getty ImagesVoters line up in Houston, Texas on March 3. Photo: Mark Felix/AFP via Getty ImagesVoters in San Anselmo, California, on March 3. Photo: Josh Edelson/AFP via Getty Images