| http://www.w3.org/ns/prov#value | - want to go to margaret brennan, who is at the state department. margaret, understandably, this is difficult authorifor those a state department and government. what is the u.s. doing right now, and how concerned are they about other americans? >> reporter: they are very concerned about u.s. installations all around the world, particularly the mideast region. secretary of state hillary clinton is ex
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