U.S. Treasury Secretary Paul O'Neill and Irish rock star Bono will tour four African nations next month to assess a "variety of development projects," including some aimed at HIV/AIDS, Reuters reports (Reuters, 4/23). According to a Treasury Department statement, the trip, which begins on May 20, will "highlight efforts to enhance the effectiveness of development assistance, the importance of increasing productivity through investment in human capital and the role of the private sector as an engine for economic growth."