LONDON (Reuters) - Descendants of black American slaves said Monday they planned to sue London's oldest insurance firm, Lloyds, for compensation for allegedly underwriting the ships used in the slave trade. Their lawyer, Ed Fagan, said Lloyds played a significant part in the human trade and insisted black American slave descendants had as much right to damages as any other people subjected to genocide. "Lloyds knew that what they were doing led to the destruction of the indigenous population," Fagan, who is well-known for his role is fighting claims for victims of the Holocaust, told BBC radio. "They took people,...