Terry Gross

He created the HBO hit series The Sopranos. The show begins its fifth season this Sunday and picks up where it left off with the separation of Tony Soprano and his wife Carmela.

He'll discuss how the site was set up in an area known for its addicts. Campbell explains that the program's success is consistent with similar operations in Europe.

She works on the streets near the safe injection site, assisting addicts. From her perspective, preventing HIV and STDs is such an important task that it overshadows addiction issues. Two days a week, Gold walks the streets of Vancouver, handing out clean needles to addicts shooting up in alleyways. She also treats infections related to needle use.