If you want to know about what is going on inside a political party, you talk to the people who move the money, not operatives who (a) don't have a job in the current campaign and (b) might have a job in the case of a shakeup.
Clear and candid analysis:
https://www.dropsitenews.com/p/why-biden-wont-drop-out-according?r=dv1f&utm_campaign=post&utm_medium=email&triedRedirect=true