In a recently published book (One Alliance, Two Lenses: U.S.-Korea Relations in a New Era) based on analysis of newly collected data from major American and Korean newspapers, Gi-Wook Shin, director of the Asia-Pacific Research Center, argues that U.S.-ROK relations, linked to the issue of national identity for Koreans, are largely treated as a matter of policy for Americans -- a difference stemming from each nation's relative power and role in the international system.