>>Most of us even on the "left" are reasonably rational
>>
>>That is certainly open to debate <s>. In my experience, liberals tend toward emotional arguments while conservatives tend toward factual arguments.
>
>Hmmm, IMO, conservatives tend to selectively gather facts on their conservative values to justify not to change anything more than anything else. As for liberals, they intuitively feel the need for progression implemented with ideas and trail and error.
>
>Pick your choice, are you a conservative programmer or a liberal one?

http://dictionary.reference.com/browse/Progression
Progression : the act of progressing; forward or onward movement

Question : Why do liberal's "progressive" ideas always seem to be so ancient?
See The Republic, Leviathan, Utopia and, of course, The Communist Manifesto.