While listeners like what they hear, businesses aren’t buying air space SANTA CRUZ — Even in the nuclear-free zone of Santa Cruz, left-wing talk radio doesn’t sell well. Since programming content for local AM sister stations 1080 KSCO and 1430 KOMY made the great political split July 18, the liberal arm has been slow to hook advertisers. It’s so slow, station owner Michael Zwerling went on the air recently with an ad of his own threatening the future of progressive shows on KOMY. "For liberal programming to continue ... you need to support it," his ad said. Zwerling said his...