On the first Friday of every month, starting at nine in the morning, Africa University has a campus clean-up. Students and staff go around the campus, which has a soccer and rugby pitch, groves of trees which have leaves that can be eaten (I can't remember the name of the tree), and bush which looks very snake friendly. I've been told there are black mambas in the nearby hills. Trails are worn through the bush, which serve as short cuts from the classrooms to the pitches, and to a nearby illegal gold mine on the other side of a hill, where men eke out a living, looking for specks of gold, their bodies caked with mud. Truly. Those volunteering for the clean-up met behind the chapel, perhaps a hundred of us, wearing long pants, to protect our legs from bushes bristling with thorns. (Seeing the thorns, I always recall Hemingway's story, " The Snows of Kilimanjaro ," in which the protagonist, Harry, contemplating his impending death--Gregory Peck in t...