Below are five key points into which Weiss has distilled the essence of successful deal-making, which he says are equally applicable whether you're dealing with potentially hostile stakeholders on the battlefield, or afellow boardroom warrior.
Consider next the case of Jon Corzine, an avid Obama ally and fellow class-warrior with a history of both being rich and brow-beating the rich politically.
Mr Podhoretz parted ideological company with them as he gradually metamorphosed from a left-winger into a cold-war warrior and Reaganite fellow-traveller, and he cannot now forgive them for failing to follow where he led.