Your right to watch it is apparently protected by the first amendment
(NEWSER) - Some New Yorkers are enjoying an illicit perk at their local library: porn. Not just porn but, in the words of the New York Post , the most "extreme, hard-core Internet smut this side of the old Times Square." Turns out you can watch the aforementioned smut in the city's public libraries, thanks to the First Amendment. Amusingly, the Post even found a "dirty old man" doing just that, who "skulked away" when approached, saying, "I don't want to talk to you. Leave me alone." More»