SOPA would allow federal law enforcement officials to block websites accused of copyright piracy. Supporters of the two bills say they are necessary because of the vast number of foreign sites trading in infringing music and movies. Critics say the bills go too far, particularly SOPA, would allow copyright owners to target both U.S. and foreign websites that don’t do enough to protect against copyright infringement by their users. The bills would allow the Department of Justice to block the domain names of sites accused of infringement.”]