Dr. Peter Van Arsdale (University of Denver) will be hosted by the department of anthropology on Friday, April 5 for a public talk in Hale 230 at 4 p.m. In his talk “A Theory of Obligation,” he outlines an expansive argument for humanitarian intervention, especially in relation to water access, refugee rights, mental health and the military/civilian interface. His talk will be followed by a short reception. The department also will host a catered lunch in Hale 450 from 12:30-2 p.m. to discuss a recent article (contact department for this).