Correspondence. A letter to Gordon Zahn. ~ David invites Gordon to address his class on the 1930s this spring. The subject would be the Catholic Worker, its founding, work and philosophy, with particular attention to describing the evolution of its nonviolence and assessment of that position in relationship to the coming of World War II. The date in mind is April 4, at 3:30 in the afternoon, for a public session open to my students and to the general public. "