Here's an interesting article that is a combination of Bill's world and Adrian's world.
It says that Kahn and Adelman do not hate each other, that Kahn was the force behind the hiring of Adelman, and that Adelman will have major control over personnel decisions.
Adrian's world: Rick hates David and has major control of personnel decisions
Bill's world: Rick and David get along just fine and Adelman does not want control of personnel decisions.
As a great towel once said: "I have no idea what's going on."
The source here is Kerry Eggers from the Portland Tribune. My understanding is that he's been a bit of mouthpiece for Kahn in the past.