His research focuses on national identity, religion, popular culture, and the West in North America. His published work includes Modernity and the Dilemma of North American Anglican Identities, 1880-1950 (2001); The Future of Hope: Christian Tradition amid Modernity and Postmodernity, coedited with Miroslav Volf (2004); Future West: Utopia and Apocalypse in Frontier Science Fiction (2008); and essays on the history and culture of the North American West in Western American Literature and The American Review of Canadian Studies. He is currently working on projects on political extremism in the United States since World War II and on violence and power in the North American West.