More fully, I. Kirkpatrick, The Inner Circle, Alan Bullock gives a concise summary in Hitler. Apparently Hess had not been informed of the impending attack on Russia; if this is so, it should put an end to certain persistent speculations about the 'background' of the venture which stubbornly tend to re-appear; it should also demonstrate more clearly than anything else how much influence Hess had lost at this point.