In the west coast port city of Gothenburg, Sweden, the architect Gunnar Asplund built a modest extension to an old courthouse on the main square (1934-36). Judged today to be one of the finest works of modern architecture, the courthouse extension was immediately the object of a negative newspaper campaign led by one of the most noted editors of the day, Torgny Segerstedt. Famous for his determined opposition to National Socialism, he also took...