"We're not sitting here because Apple wants to prohibit all kind of tablets," he said.
Could Congress prohibit all donations to the Democratic Party because it had violated campaign finance laws?
Professor Ayres tried to prohibit all Internet use in his classroom.
It is these concerns that have caused many countries to prohibit all human cloning, both for reproduction and research.
That bill would be separate from a bill the senator is already sponsoring that would prohibit all human cloning.
It even wanted a "local option for localities within the city" to permit them to prohibit all outdoor advertising.
Rather than prohibit all drugs, as is currently advocated by international law, they are exploring new approaches to regulating them.
Another change would prohibit all public employees from striking, a right that public sector unions say is their only tool for getting a fair deal in labor disputes.
He urged the participants to "commit to a peaceful competition for power" and to prohibit "all types of violence and coercion to achieve goals, demands and policies".
New York officials said that they chose not to prohibit all forms of direct electronic contact, and that they could still discipline teachers who used cellphones inappropriately.
Twenty states and the District of Columbia already prohibit all drivers from text-messaging behind the wheel, according to the Governors Highway Safety Association.
