They'd have to give you their views to be sure.
Here's one response offered up on the forum. I'd like to point out that whether he's a Libertarian or not, his opinion may not express what other Libertarian's thoughts would be on my comment.
http://www.freerepublic.com/focus/fr/621170/posts?page=1115#1115
Although libertarians claim to be for "local" government, they wouldn't abide by "anti-drug" laws even if they were state or local laws.
Can't trample on "freedom", dontcha know...