AFL-CIO chief Richard Trumka said there was still time for Biden to enter.
Blog Briefing Room
The 2016 presidential contender is walking back talk of a northern border wall.
Only 14 percent of Republicans thought Obama was a Christian, PPP found.
The president on Monday called the widow of a slain Texas deputy.
Several parents say they are shocked by Rep. Matt Salmon’s remarks at a charter school.
Hip-hop superstar Kanye West says he'll run in 2020.
"She should be on the main debate stage," Carson's campaign manager says.
She ripped Biden in 2002 for supporting a bankruptcy bill.
Paul's 2016 GOP rival, Gov. Scott Walker, has called it a "legitimate" idea.
Thousands of people marched over the weekend under the banner "All Lives Matter."