rine Dettwyler originally plan to conduct research for their dissertations? What happened when they tried to go there and how did they end up in Mali?...

Where did Steven and Katherine Dettwyler originally plan to conduct research for their dissertations? What happened when they tried to go there and how did they end up in Mali? What does this say about the nature of ethnographic research and why do anthropological research plans go awry more often than, say, the research plans of laboratory scientists?