A German court has convicted a 94-year-old former guard at the Nazi death camp at Auschwitz of being an accessory to the murder of at least 300,000 Jews.Oskar Groening, known as the "book-keeper of Auschwitz", was sentenced to four years in prison. He was responsible for counting the belongings confiscated from prisoners and had admitted "moral guilt". His lawyers said he did not facilitate genocide, but prosecutors argued that he had helped the camp run smoothly. Many observers have questioned whether Groening will ultimately be sent to jail, given his advanced age. He is expected to be one of the...