Officials said Tuesday that they were analyzing recently collected terrorism intelligence to determine why a handful of American cities were mentioned, but they cautioned that the locales were not necessarily considered targets. Separate bits of intelligence collected from sources who are tied to extremist groups refer to cities like New York, Washington, Los Angeles and Las Vegas — sites often considered possible terrorist targets — as well as remote areas in rural Virginia and Alaska, said an F.B.I. official who spoke on condition of anonymity. The locales were first reported Tuesday by The Los Angeles Times. Full Story