Half a century later, the Vietnam War continues to shape U.S. foreign policy, from its debates over foreign intervention to the institutions of its military. Why does the war remain such a poignant influence, and what lessons have policymakers, scholars, and the public learned (or failed to learn) from America's disastrous campaign in Southeast Asia? WOTR Managing Editor Usha Sahay had the chance to discuss the legacy of Vietnam with an all-star cast in Austin, Texas.