Workers searched through what was left of Plaza Towers Elementary School, which was demolished by the tornado in Moore, Okla. As Anna Werner reports, in many neighborhoods, there isn't much left to ... more 
Workers searched through what was left of Plaza Towers Elementary School, which was demolished by the tornado in Moore, Okla. As Anna Werner reports, in many neighborhoods, there isn't much left to salvage. less 
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Wed, May 22, 2013 1:53 PM EDT