Web extra: Moore, Okla., third-grade teacher Jennifer Doan's sternum and spine were fractured while she tried to save her students from the devastating tornado that killed dozens. She tells Vinita ... more 
Web extra: Moore, Okla., third-grade teacher Jennifer Doan's sternum and spine were fractured while she tried to save her students from the devastating tornado that killed dozens. She tells Vinita Nair she wishes she could have done more to protect the children. less 
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Wed, May 29, 2013 12:31 PM EDT