Terry Gross

Documentary producer, Glenn Holsten who's recent documentary, "Mothers who March" focuses on the lives and commitment of four mothers who've lost children to Aids. It debuts on PBS television nation-wide tonight (Tuesday May 7).

Spy-watcher and gadget collector, Keith Melton who's book, "The Ultimate Spy Book" (DK Publishing) has been published recently.

Actress Lili Taylor the lead character in the new movie "I Shot Andy Warhol" The film is based on a true story and Taylor plays the outraged feminist loner Valerie Solanas, who shot Andy Warhol in June 1968.