With upcoming elections in a Europe beset by rising neo-Nazism, a new campaign by Swedish Social Democrats against the resurgence has a high-profile leader: Rainer Hoess, 48, the grandson of infamous Auschwitz commandant Rudolf Hoess, who presided over the murder of a million Jews and thousands of others. Hoess has spent years speaking to German schoolchildren about a Nazi influence growing now, as then, because "the social safety nets have been torn, and people are left behind...Hopelessness...