National Security Letters (NSL) under Title V of the Patriot Act contain a gag order provision (which is a restriction from making information become public) and do not require a probable cause, a judicial review or prior approval from a judge and can be used against US citizens in search of terrorists.
Censorship is an important issue in a free society because censorship blocks information from the public while free societies pride themselves on freely flowing information. Censorship appears to be at odds with free societies because it prevents the dissemination of information and thus it is a hot-button issue.
True. Discrimination has always been an issue in many societies all over the world. There are different ways on how people react to this type of stimulus; others engage in violence, while some focus on fascist forms of revolution to end discrimination. Discrimination can take many forms in sexual preference, women, race, and color.