Humanitarian worker Rebecca Black will draw from experience to deliver a lecture titled "The U.S. Role in Global Health: Past Success, Future Challenge." For decades the United States government has been a major contributor to improving global health, but new challenges await in the United States' effort in improving global health in the 21 century. Having spent 25 years with the United States Agency for International Development, Black was most recently the mission chief in Cambodia where efforts focused on eradicating HIV/AIDS infections and deaths. Her work has also led her to humanitarian projects in Afghanistan, India, South Africa and Eastern Europe. Sponsored by the Taubman Center for American Politics and Polic, the event begins at noon in the Watson Institute for International and Public Affairs, Joukowsky Forum, 111 Thayer St.