They are literally and clinically batshit crazy.....
Political Conservatism is a Mild Form of Insanity
http://www.psychologytoday.com/blog/...-form-insanity
Conservative values claimed to be a mental illness
http://www.sodahead.com/united-state...ss/blog-29112/
Study concludes conservatism is a mental illness
http://www.guardian.co.uk/world/2003/aug/13/usa.redbox