Joe Biden

Here are some women who are likely to be considered.

"He knows that a government run with integrity, competence, and heart will save lives and save livelihoods."

Sanders is stressing the importance of Democrats backing the party's presidential nominee.

"Serving for eight years as President Barack Obama's vice president was among the greatest honors of my life."

"I am not running for office to be King of America."

"It is going to be important for Vice President Biden to really understand that poll after poll after poll, people ...

"It was like everything shattered in that moment."

He tossed his support behind Biden.

Sanders endorses Biden in a new livestream.

"I think this is about how we can win."

"We cannot repeat those mistakes."

"I would have gone obviously a lot further, but that is a movement in the right direction."

"They have to be excited about the candidate — and I think that is something that is going to happen."

"Senator Sanders and his supporters can take pride in their work in laying the groundwork for these ideas."

"Democrats deserve a candidate who was vetted."

"What's important here is not just what Bernie does, but his supporters."

Sanders is noting what he believes must be done for Democrats to take back the White House.

"It does amaze me that President Obama hasn’t supported Sleepy Joe."

"We are proud to endorse for President."

Their criticism was not received well.