Marcy,
I think you're confusing the govt censoring ideas,
which libertarians would normally be against, with
a non-governmental organization (the LP) censoring
ideas, which is not anti-libertarian.
In his classic, _The Law_, Frederic Bastiat has a
wonderful section addressing this common confusion.
I highly recommend it.
Let's talk further on Saturday. See you then.
Best, Michael
www.ThreeMinuteTherapy.com