On 10 June , he said he would run as the lead candidate for the The Left Party . PDS ( Die Linkspartei ) , a coalition of the Electoral Alternative for Labor and Social Justice ( WASG ) , which is based in western Germany , and the Party of Democratic Socialism ( PDS ) , which was the successor to the East German communist party After two weeks of speculation it was announced on June 10 that he would run as the lead candidate for The Left party ( Die Linke ) , a coalition of the Labor and Social Justice Party ( WASG ) , which is based in western Germany , and the Left Party .