Joe Biden often tells the same story, which begins with a shot over the tragic, on December 18, 1972. It comes, to 29 years, to be elected senator of Delaware, the dominant one shows republican incumbent. All smiled at him. This catholic of irish origin, has a beautiful wife, three children and a political future bright. It has been compared to John Kennedy. It is in Washington, with her sister, Valerie. The phone is ringing. Val picks up. There has been an accident. The car of the wife of the new senator, Neilia, was struck by a truck. “She is dead, is that it ?” asked Biden. Neilia has e…