This undated photo provided by Mark Sherlach shows him with his wife, school psychologist Mary Sherlach, who was killed Friday, Dec. 14, 2012, when a gunman opened fire at Sandy Hook Elementary School, in Newtown, Conn.  Mary Sherlach will be one of six educators from the school honored posthumously with the 2012 Presidential Citizens Medal, presented at a White House ceremony on Feb. 15, 2013.  (AP Photo/Courtesy of Mark Sherlach)
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