These are the United States, Russia, Britain, France, and China. Sometimes referred to as the nuclear club. However, other countries possess nuclear weapons but have not openly acknowledged the fact. These include India, Pakistan and Israel. Some other countries, such as Libya, Iran and North Korea, are thought to have secret programs to develop nuclear weapons.
Obscene material is usually of an explicit sexual nature.
A current national debate concerns the proliferation of obscene material over the Internet, and whether it should be censored. Those who oppose censorship often cite free speech, although in 1957 the Supreme Court ruled that obscenity was not protected under the First Amendment. However, one of the problems is that a workable definition of obscenity is hard to come by. But this begs the question of which community one is talking about, since standards are not uniform throughout the country, nor, perhaps, are they so within different segments of the same community. An example is the U.S. auto industry, in which three major manufacturers account for over ninety percent of the output of passenger cars.