It is coming to the US (assuming you are posting from the US):
http://www.abc4.com/content/news/top_stories/story/Arizona-law-looks-to-censor-the-internet/g-MIO8eRL0-x4SzkNtLFBA.cspx
From the article:
The bill would make it a crime to offend, harass, terrify or even just annoy another person online. Skordas points out a few issues, like how will law enforcement find these so-called "online trolls?" and who is going to set the basis for what is considered "offensive?"