HIV/AIDS Update; Ralph Martin

HIV/AIDS researchers Dr. David Baltimore and Dr. William Paul report on President Clinton's first HIV/AIDS conference, a promising new drug, and the continuing search for a vaccine. HIV/AIDS patients Will Leonard and Robert Levithan and Dr. Paul Bellman describe living with and treating HIV/AIDS, and the promising results from the newer protease inhibitors. Author Ralph Martin talks about Joseph P. Kennedy, Sr., and "Seeds of Destruction: Joe Kennedy and His Sons," his book about the political family patriarch and his drive for power.