Here's a great article by Paul Weyrich that ties it all together. Starting with Russell Kirk's point that Conservatism is, by definition, not an ideology, he goes on to expose the reigning ideology of "cultural Marxism" -- the common thread running through "liberalism", feminism, homosexual extremism, PC'ism, multiculturalism, the attack on the traditional family and Judeo-Christian values, etc.
See "The Danger of the Ideological State" by Paul M. Weyrich (from Agape Press, August 15, 2005).