When Breeze FM, a radio station in the provincial Zambian town of Chipata, hired an elderly retired schoolteacher in 2003, no one anticipated the skyrocketing success that would follow. A self-styled grandfather on air, Gogo Breeze seeks intimacy over the airwaves and dispenses advice on a wide variety of grievances and transgressions. Multiple voices are broadcast and juxtaposed through call-ins and dialogue, but free speech finds its ally in the...