"former-vice-president"

People should also question parties which were clueless on resources, but made empty promises to acquire power, he said.

The work ahead of us will be hard, but I promise you this: I will be a President for all Americans -- whether you voted for me or not, said Biden in a tweet

"It was a candid acknowledgement of what President Trump's strategy has clearly been from the beginning of this crisis: to wave the white flag of defeat and hope that by ignoring it, the virus would simply go away."

Obama has also been a big money draw for the campaign — he appeared at two virtual fundraisers with Harris this month and a handful prior to that.