In the USA, the deadline for comments on ACTA is today (Tuesday 15 February 2011) at 17:00 US/Eastern. It's absolutely imperative that every USA citizen submit a comment on this. The Free Software Foundation has details on how to do so.
ACTA is a dangerous international agreement that would establish additional criminal penalties, promulgate DMCA/EUCD-like legislation around the world, and otherwise extend copyright law into places it should not go. Copyright law is already much stronger than anyone needs.