http://www.bbc.com/news/magazine-39927255About 100,000 black GIs were stationed in the UK during the war. Inevitably there were love affairs, but US laws usually prevented black servicemen from marrying. So what happened to the children they fathered? Fiona Clampin met two such children in Dorset, now in their seventies, who have not given up hope of tracing their fathers.