One of the world's leading social theorists will give a talk addressing the limitations of American unilateralism, "Reflections on the New Imperialism," at the University of Colorado at Boulder on Thursday, April 8. David Harvey, a distinguished professor of anthropology at the City University of New York, will speak at 5 p.m. in the Eaton Humanities Building, room 150. The event is free and open to the public. A reception will follow.