Earthquake shows difficulty of evacuation from DC (AP)

AP - The nation's capital has prepared for emergencies with sleek communication systems, intelligence fusion centers and chemical detection centers at train stations.

Source: http://us.rd.yahoo.com/dailynews/rss/topstories/*http://news.yahoo.com/s/ap/20110825/ap_on_re_us/us_east_coast_quake_washington

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