On March 22, 2013, Pope Francis addressed the Diplomatic Corps with a warning against the “tyranny of relativism.” He then explained his selection of the name Francis as in part stemming from St. Francis’ battle for peace, a peace which Pope Francis underscored was impossible without Truth. The necessary struggle for truth not only remains part of the context for Francis’ choice of name, but also for his papacy. In his remarks, Francis explicitly linked his concerns with those of his predecessor Pope Emeritus Benedict XVI, whom he named.In the then Joseph Cardinal Ratzinger’s homily of April 18, 2005,...