Biden may well drop out - but we are supposed to believe that Biden insiders would tell Halperin? I don’t think so... he’s just guessing and rumor mongering.
Looking at the post you are right. It’s rumor & hype.
BREAKING NEWS: Multiples sources outline the apparent state of play on Biden at this time:
* plans to announce withdrawal from nomination as early as this weekend, with Sunday most likely
* Jon Meacham polishing up remarks
* Biden with NOT resign the presidency
* Biden will NOT endorse Harris
* open convention with Harris and about 3 others
* super delegates will not be allowed to vote on 1st ballot
* Harris is vetting at least four possible running mates, including Andy Beshear and possibly Shapiro