The concept of the frontier among scholars has changed considerably over the past 25 years. This symposium invited historians, literary scholars, and cultural critics to revisit the famed Frontier Thesis written by Frederick Jackson Turner more than 100 years ago. In three panel discussions, scholars explored the significance of the frontier for the study of U.S. imperialism, American culture, and settler colonialism. The conference included keynote addresses by Kerwin Lee Klein, of University of California, Berkeley (audio unavailable); and Patrick Wolfe, of La Trobe University. The...