second episode of three with magnificent Ruth _ R. Tringham, traveling specialist, years at Harvard and Berkeley co-travellers: Dena Dincauze, Karl Lamberg-Karlovsky, Michael Mosely, Barbara Voytek, Tim Kaiser, Nerissa Russell, Mirjana Stevanovic, Marija Gimbutas, Vladimir Kondic, Judith Rasson, Alan McPherron, Colin Renfrew, Robert Braidwood, Lawrence Keeley, Sergei Semenov, Galina Korobkova, Douglas Campana, George Diamond sites: Opovo, Divostin, Vancouver, Obre _ _ _ From the field, lab, a...