Our African vacation starts at a luxury hotel in Nairobi. But I pine for a photographic safari into the Serengeti. Over breakfast, I break some news for Jane. “Hey let’s try this on for size. Jane, I want to take you on a safari into Tanzania. Maybe we’ll have an adventure like in a J.G. Ballard novel.” She says, “You’re so crazy, but truly we could face off with a pride of lions looking for supper. The signs ain’t good darling. The continental breakfast bar at this hotel is more than enough for me. We can go to the...