State Department Acting Spokesman Robert Wood said Clinton,in her calls to the Pakistani leadership on Saturday, urged a non-violent settlement of the confrontation with the opposition and said that there should be no impediments to peaceful, democratic assembly.

VOA: standard.2009.03.16

And that includes the right to peaceful assembly, to peaceful protest, to peaceful speech.

WHITEHOUSE: The White House

We believe that people have universal rights, including the right to peaceful assembly.

WHITEHOUSE: Press Briefing

Only by denying ordinary people their rights to freedom of speech and peaceful assembly is mass support of extremists born.

FORBES: Why Is Obama's State Department Uneasy About Democracy?