DAR ES SALAAM (Reuters) - Tanzanian police arrested two men accused of killing a 9-year-old boy and selling his skin for 20,000 shillings ($18) to make sorcerers' get-rich-quick charms, a senior officer said Friday. Police said they arrested Martin Kalunga, 25, and his associate Nico Benson, 31, in Lilwa village in southern Tanzania Tuesday after neighbors overheard Benson accusing Kalunga of plotting with their buyer to skin him as well. The identity of the buyer was unclear. "The two were arrested after they had a loud quarrel, because Benson suspected Martin of colluding with their buyer to skin him," Suleiman...