Op-Ed Contributor 1. If confirmed, you will be working in the city with the highest rate of AIDS cases in the country. Intravenous drug users are estimated to make up about one-third of Washington’s new AIDS cases. The House recently lifted a ban preventing the District from using municipal money to set up a needle exchange program. However, the Bush administration remains opposed to the use of federal funds for needle exchange. If asked to advise the president about changing this stance, using the epidemiological data on the effect of needle exchange on H.I.V. transmission, what would you tell him?...