robert adelman, professor of history and the history of sport at the university of san diego, and professor edle is the director of history in the cold war p. douglas, the director of the ale agency. let me start with you, as the tools get better for decks, have the drugs and the techniques to hide the drugs them? >> absolutely, it's always an evolutionary process, and as history will always dictate, the cops always chase the robbers, and in the absence of a report where we're unable to apprehend them before it takes play, we'll always be chasing the wrong to doers. in an effort to create interest in the field, when you go back to the 70s and 80s, the anabolic era, the more masculineas athletic. and there was really very little difference between male and female competitors in certain sports, the giveaways, the ben johnson and some of the east german female athletes in the 80s era, it's no longer a dead give away. the complexity and the nuances of the drugs have certainly evolved. >> professor edelman, you heard him say in his view, this was just the latest chapter in the doping story that