Does it naturally follow that someone's position on an issue should be consistent with that of the Libertarian political party in order to be concidered a libertarian position?
Well, I'm neither a libertarian, nor a member of the Libertarian Party, so that would be best answered by someone who self identifies as either, or both. That being said, I would think it probably that the party may on occasion take positions which run contrary to the philosophy. The history of the Democratic and Republican parties are full of such divergences which leads me to believe that the realm of politics exerts pressures which cause this to happen. (not that I think it is a good thing...)