You’d think that Santa Cruz would be the last place where a progressive talk radio station would have trouble. But KOMY-AM 1340 owner Michael Zwerling tells Brad Kava of the Mercury News that he couldn’t sell advertising on a station that carries the Air America Radio Network, with hosts such as Al Franken, Randi Rhodes and Rachel Maddow. So he’s changing the format to a 1960s oldies station. Zwerling’s other AM station in Santa Cruz, KSCO-AM 1080, is going strong with a conservative format featuring Rush Limbaugh and Bill O’Reilly. However, with the switch to oldies, he’s moving Alan Colmes from KOMY and to KSCO. Colmes will replace Michael Savage.