The metal detector beeps incessantly just above the forest floor, as workers comb the area on behalf of the federal government, searching metre by metre for insidious weapons of war: cluster bombs. The former Soviet military training area in the Kyritz-Ruppiner Heide heathland between Berlin and Hamburg has to be cleared of these old, deadly munitions found nowhere else in Germany. Cluster bombs are considered a particularly insidious weapon of war and have been internationally outlawed. Clearin