"After you've been a principal, you don't want to be an employee, " explains Rosen, in a nod to Diller's hands-on management style and a widely reported clashofegos.
When Mr Giuliani was still running, senior Republicans fretted that the clashofegos allowed Mrs Clinton to hide her big-government beliefs beliefs that are probably unpopular with the key suburban voters.
In an impressive clashof giant-sized egos, Oracle has cancelled a planned keynote at its Oracle World conference in San Francisco tomorrow by Salesforce.com CEO Marc Benioff.