Can Catholics be "conservatives"?

At the Vox Nova blog, Jonathan has this interesting, very Burkean, post, "What is Conservativism?"  In response (in the comments box) "Morning's Minion" insists, citing Pope Benedict XVI, that Christians "cannot be true conservatives in the Burkean sense" because they live in history, and have a duty to build the Kingdom of God.  And the conversation continues.  Check it out.

The discussion is, I think, relevant to our "Catholic Legal Theory" project, if only because the legal enterprise and legal mindset is so often seen as -- and, in many ways, is -- "conservative".  So, what should this adjective mean for us -- how should we understand it -- who aspire to "do law" as Catholics?