OUR country must receive the news that 446 elephant tusks concealed inside hollowed timber logs have been intercepted in Thailand with profound grief. Preliminary information suggests that the consignment may have originated from Zambia. But even the possibility that Zambia was either the source or transit point for such a huge shipment should alarm every citizen. Something of this magnitude does not move across borders by accident. It requires planning, money, documents, transport and people willing to look the other way.   The first question is painful: how many elephants died for this ivory? Elephants ordinarily carry two tusks, so if the 446 items eventually prove to be complete tusks from recently killed animals, crude arithmetic could point to more...