David a BelloDavid Bello is professor of history and director of East Asian studies at Washington and Lee University. He is the author of Across Forest, Steppe and Mountain: Environment, Identity and Empire in Qing China's Borderlands (Cambridge University Press,2016) and Opium and the Limits of Empire: Drug Prohibition in the Chinese Interior, 1729-1850 (Harvard University Asia Center, 2005. Read More Read Less