https://www.rollingstone.com/politics/po...49655/amp/

Goes through several specific examples of how nasty Joe Biden has become to John Kerry:

"...Maybe I’m ******* deluding myself here,” Kerry reportedly said — mainstream Democrats may not have changed their policies or strategies much since Trump, but they sure are swearing more — then noted he would have to raise a “couple of million” from people like venture capitalist Doug Hickey.

Kerry later said he was enumerating the reasons he wouldn’t run, though those notably did not include humility about his own reputation as a comical national electoral failure, or because there’s already a candidate in the race (Biden) he’d been crisscrossing Iowa urging people to vote for, but instead because he’d have to step down from the board of Bank of America and give up paid speeches. French aristocrats who shouted “Vive le Roi!” on the way to the razor did a better job advertising themselves...."