SANDERS

A lot is on the line in the 2020 primary debate. It might be the last chance for moderates to slow Bernie Sanders' momentum. And who comes out better — Joe Biden or Michael Bloomberg? Here's a guide.

An NPR/PBS NewsHour/Marist poll finds that socialism is unpopular with a general-election electorate, even as Vermont Sen. Bernie Sanders is gaining in the Democratic primary.

The survey gives the former New York mayor enough polls showing him over 10% nationally to be on stage for the next Democratic debate Wednesday in Nevada.

Sen. Bernie Sanders won narrowly, but can he expand his base? Pete Buttigieg again did well, but in another largely white state. And the story of the night was Sen. Amy Klobuchar's third-place finish.

Elizabeth Warren faced new scrutiny, Pete Buttigieg controlled multiple exchanges, and the potential conflicts of interest of Joe Biden's son got relatively little focus.

Florida voters put Donald Trump and Hillary Clinton on top in the state’s presidential primary. Trump’s victory ended U.S. Sen. Marco Rubio’s run for the White House.

Florida’s elections chief is expecting an historic turnout for Florida’s presidential primary. Based on the 2.1 million ballots already cast by mail or in early voting, Secretary of State Ken Detzner said turnout should exceed the 42 percent level reached in 2008.

Three presidential hopefuls found themselves in Florida on Super Tuesday. Republican presidential candidates Donald Trump and Marco Rubio were in the Sunshine State, along with Democratic candidate Hillary Clinton.