Biden released a video this week to address the allegations, saying that while he had been affectionate in the past, he understood the concerns of his critics.
"By the way, he gave me permission to touch him", Biden said again.
A defiant Biden earlier Friday refused to apologize for his history of cringeworthy behavior toward women. He then turned to IBEW president Lonnie Stephenson, who was standing off stage, and mimed a hug.
"Social norms have begun to change, they've shifted, and the boundaries of protecting personal space have been reset, and I get it, I get it", he said.
May grapples with Brexit deadlock as European Union warns of no
The call for a unified approach followed a nine-hour Cabinet session as senior ministers hammered out a road map. Parliament on Monday rejected four alternatives, with proposals for a customs union failing by three votes .
Asked whether he could win this Democratic primary given that he's been tagged as a moderate by many activists in the party, Biden dismissed that label. "I'm an Obama-Biden Democrat, man", he said, "and I'm proud of it".
Images of Biden hugging various women and appearing to be sniffing their hair have always been in the public eye, but with the accusations mounting and 2020 on the horizon, he made a decision to explain it: in a video, he said it's his way of "connecting with people" and promised to be "more mindful" in the future, now that "social norms have begun to change".
Trump has denied the allegations of sexual misconduct, and on Friday he told reporters he saw no reason to avoid going after Biden on the issue.
"I get, in talking to a lot of people around the vice president, that he doesn't think he did anything wrong", King said the network on Friday.