I know nothing about primate anthropology, but I did know a primate anthropologist. She took me into the rainforests of southern Uganda, where we spent several afternoons lurking in the shrubbery and watching a troop of chimpanzees. When we got too close to the mothers and babies, the males chimped out. They got up on their hind legs, bared their teeth, howled like extras from Tarzan , and started bounding toward us. To avoid a savaging, we mimicked subordinate chimpanzee behavior. This