Dorothy Healey in her autobiography, notes that Cap Weinberger was a commentator on KPFK during the 60's.
In the 70's, weekly, for an hour, a Chilean conservative, Lowell Ponte, also had a show on KPFK. (Ponte, on Arianna Huffington, http://www.frontpagemag.com/Articles/ReadArticle.asp?ID=19006 -- Michael Pugliese