Huge numbers of embassy cables are labeled 'unclassified' or 'limited official use' and deal with mundane matters.
The United States already has in place comprehensive trade sanctions against Sudan, imposed because of the regime's support for terrorism. While we maintain diplomatic relations, we do not staff our embassy there.
The attack on the British embassy in Tehran came just days after the Iranian 'parliament' voted to expel the British ambassador, and therefore reeks of official complicity.
Tunisian liberals say that the U.S. Embassy in Tunis is unengaged with their efforts to make sure the Tunisian model remains one of expanding freedom.