GoGo Breeze, an elder with a radio program on a provincial Zambian station, counsels listeners on wage theft and other problems facing the common people -- and gets results. “The fear of having to face this grandfather and his microphone does challenge the behavior of figures in authority,” said Harri Englund, a professor of social anthropology and author of the book, “GoGo Breeze: Zambia’s Radio Elder and the Voice of Free Speech.”