In this episode of Asia Insight, moderator Michael Wills is joined by experts discussing the four partner countries of the Quadrilateral Security Dialogue. Hayley Channer is a senior policy fellow at the Perth USAsia Centre, Sheila Smith is a senior fellow for Asia-Pacific studies at the Council on Foreign Relations, Alison Szalwinski is vice president of research at the National Bureau of Asian Research, and Akriti Vasudeva is a fellow with the South Asia Program at the Stimson Center.