joe biden

WATCH: Joe Biden promises to defeat Trump and 'heal this country'

By Associated Press

“It’s a good night, and it seems to be getting even better,” Biden said in Los Angeles. “They don’t call it Super Tuesday for nothing.”…

Biden wins Warren's home state of Massachusetts

By Associated Press

Joe Biden wins the Democratic presidential primary in Massachusetts, upsetting Elizabeth Warren in her home state.

Biden wins Arkansas primary

By Associated Press

Former Vice President Joe Biden has been declared the winner of the Arkansas primary.

Biden wins Minnesota primary

By Associated Press

Former Vice President Joe Biden has been declared the winner of the Massachusetts primary.

Sanders wins California, Biden surges nationwide

By Will Weissert, Steve Peoples, Associated Press

Bernie Sanders has seized victory in Super Tuesday's biggest prize, California, while a resurgent Joe Biden scored wins across the country with the backing of a diverse coalition.

Biden wins Tennessee primary

By Gretchen Frazee

Former Vice President Joe Biden has been declared the winner of the Tennessee primary.

Biden wins Oklahoma primary

By Associated Press

Joe Biden has been declared the winner of the Oklahoma primary.

Biden wins Alabama primary

By Associated Press

Former Vice President Joe Biden has been declared the winner of the Alabama primary.

Super Tuesday is here. These states could determine who wins the nomination

By Lisa Desjardins

Results tonight could determine whether any of the remaining candidates can glide to the Democratic nomination -- or if a rocky convention awaits.

WATCH: Biden holds Dallas rally, with Klobuchar's endorsement

Rivals no more, Amy Klobuchar and Pete Buttigieg united behind Joe Biden's presidential bid on Monday as the Democratic Party's moderate wing scrambled to boost the former vice president just hours before voting began across a series of high-stakes Super…