To a liberal, censorship is when other people don't say what liberals want them to say or pay to hear it.
The left would certainly have a difficult time defending Gannett/USA Today's decision to not permit any excerpting of news articles for commentary or factual support on FR threads.
This is about silencing critics rather than any concern over copyright or first ammendment protections.
Fortunately the left doesn't have to defend the position because for as much as the media reports on Free Republic, this is not an issue that they would cover.