CALIFORNIA | LOCAL
May 31, 1986 | LANIE JONES, Times Political Writer
Management consultant Nathan Rosenberg didn't look much like a rebel when he strode to the microphone dressed in a navy blue blazer, gray flannel slacks and a green striped tie. It was a hot Saturday morning in Mission Viejo, and at the Cafe Vienna, overlooking the community lake, about 100 Republicans had gathered for a campaign forum. This was another of those grab-bag affairs of the campaign season--17 Republican candidates, vying for posts ranging from county clerk to U.S.