Reuters: Cattle are the traditional asset by which Nampie Motloung, a subsistence black South African farmer, has long measured his wealth. But a blistering drought has made them a liability. "I have no choice but to sell some of my cows. I must do it before they die," Motloung, 62, told Reuters as his 30-strong herd ambled in the distance across the parched landscape. "It pains me to do so. My cattle are my family's inheritance," he said. The wealth of small-scale farmers and the dreams of emerging black...