MAGIC JOHNSON DEMONSTRATed last week that being infected with the AIDS virus no longer prevents one from living an active life. Medical science has made steady progress in the 15 years since AIDS appeared in the U.S.--most dramatically in treating the devastating secondary infections in the later stages. There is still no cure, and a vaccine is nowhere in sight, but hardly a week goes by without some advance on the AIDS front.
Last week was especially encouraging; several major findings were issued that not only promise to help HIV-positive patients live longer and healthier lives, but could also point the...