The United States has helped save millions of lives in Africa through foreign aid. Dr. Mark Dybul, former executive director of the Global Fund to Fight AIDS, Tuberculosis, and Malaria and professor of medicine at Georgetown University, joins host Krys Boyd to talk about the connection between global health and national security. His essay “How HIV, SARS, and Ebola Put Global Health on the Agenda” appears in the current issue of The Catalyst.