Washington has felt driven to deliver a judgment on President Robert Mugabe far stronger than anyone at Westminster has yet felt able to muster. "America," declares Walter Kansteiner, the US government's Africa policy chief, "does not see President Mugabe as the democratically legitimate leader of the country". It is a timely reminder. Because Zimbabwe is constantly in crisis, we tend to forget the lawless tactics which Mugabe employed in the presidential election to come out on top. But America is right. Though many in Europe and Africa prefer to look the other way, Mugabe is not the legitimate leader of...