A man who admitted holding a dog to ransom in a dispute over a £2 million chalice which belonged to the Nazi leader Hermann Goering has been jailed for nine months.Derick Smith came by the solid silver foot-high treasure after it was taken from the ruins of the Gestapo founder's country home at the end of Second World War by a British soldier.Smith, 51, had the chalice for 27 years and claims to have had it authenticated at the National History Museum in Berlin.The circumstances of how the dispute over the chalice's ownership ended up at Newcastle Crown Court were...