ritchie. -- at the retreat. >> dr. anthony felt fauci is on the front lines against infectious diseases. >> we have drugs right now, if someone comes in. in the early 1980's if someone came into my clinic with aids, their median survival would be six months to eight months, half of them would be dead and eight months. if tomorrow, when i go back to grounds and someone comes into our clinic who is 20 plus years old, recently infected and i put them on the combination of three drugs, a cocktail of highly active antiretroviral therapy. i could look them in the eye and say if you take your medicine regularly you could live an additional 50, 5-0 years. from knowing that 50% of people are going to die in a years to if you take your medicines you could live essentially a normal lifespan a few years less than a normal lifespan, that is a huge advance. >> dr. anthony fauci sunday night on c-span's q&a. >> this time of year, c-span covers state of the state addresses from all over the country's leading up to president obama's st