Cory Booker

How Cory Booker prepared for 25-hour Senate speech. Video, 00:00:49How Cory Booker prepared for 25-hour Senate speech

Joe Biden endorsed by another former rival

The Democratic 2020 race - in five charts

The key issues for 2020 Democrats

Who are the Democrats vying to take on Trump?

Cory Booker out of race for Democratic nomination

'I thought you might have been high' Video, 00:01:34'I thought you might have been high'

Biden hits back at Democratic rivals

Biden spars with critics at Democratic debate. Newsday. Audio, 00:04:32Biden spars with critics at Democratic debate

The best one-liners from the Democratic debate. Video, 00:01:13The best one-liners from the Democratic debate

Winners and losers from Democratic debates

Biden dodges question on deportations under Obama. Video, 00:00:59Biden dodges question on deportations under Obama

Warren's big applause line in Democratic debate. Video, 00:00:36Warren's big applause line in Democratic debate

Bernie Sanders: 'I wrote the damn bill' Video, 00:00:40Bernie Sanders: 'I wrote the damn bill'

Democrats clash over policy, history and food. Video, 00:03:09Democrats clash over policy, history and food

The biggest moments in Democratic debate. Video, 00:02:44The biggest moments in Democratic debate

How to pitch yourself to Iowa voters. Video, 00:01:03How to pitch yourself to Iowa voters

How good is 2020 Democrats' Spanish? Video, 00:04:06How good is 2020 Democrats' Spanish?

Democrat Cory Booker runs for White House