JOE BIDEN

Vice President Joe Biden is not expected to participate in the first Democratic debate, but organizers are setting aside a lectern just in case.

The live-stream of the debate will be offered online on CNN.com's homepage, on the CNN Politics' live blog and across mobile platforms, in addition to the television stations CNN, CNN International and CNN en Español.

The presidential candidate's lead over Bernie Sanders has narrowed, according to a poll.

President Barack Obama may be greeted by gun rights protesters when he visits Roseburg, Oregon, Friday to comfort survivors of last week's mass shooting.

Hillary Clinton was heckled Thursday by Hispanic activists who accused her of taking money from private prisons.

“Democrats really are pretty content with the current field of candidates for president," a polling official said.

After Thursday's deadly shooting in Roseburg, a letter he had written years ago to Vice President Joe Biden -- defending gun ownership rights -- drew strong reactions.

The Sanders campaign made the announcement on Reddit. The average donation, the campaign said, is $33.51.

An announcement by CNN details the candidate criteria for the first Democratic presidential debate.

Ben Carson is almost matched with Donald Trump, taking 20 percent of GOP primary voters' support, compared with Trump's 21 percent.

A fundraiser is planned to be held in Bushwick Sunday, where supports will also try to register voters.

A new survey indicates Democrats would likely nominate Hillary Clinton if the choice were made today, but her rivals would have a better chance in a general election.

U.S. Vice President Joe Biden surged in a new Bloomberg Politics poll of Democratic voters and Democratic leaners.

By suspending his campaign Monday, the Wisconsin governor may have helped his chances of getting picked as the eventual GOP nominee's running mate.

Clinton has been struggling in polls amid questions about her use of a private email server while she was secretary of state.

During an interview with "Meet the Press," GOP presidential candidate Donald Trump addressed whether the U.S. has a problem with Muslims.

In two months, former Secretary of State Hillary Clinton has lost one-third of her support for her presidential bid.

The vice president met with a top Obama bundler while visiting New York last week.

Donald Trump leads the pack of Republican candidates in Iowa but also tops the list of candidates voters said they would not support.

"It's simple math," Gov. Andrew Cuomo said. "You cannot support a family on $18,000 a year in New York state, not to mention have a decent living."

Biden’s remarks on the state of the economy raised speculation about possible campaign themes if he decides to run.