From the 2012 presidential election to the horrendous school shooting in Newtown, Conn., here is a look back at some of the biggest news stories of 2012.
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December 14: A mother consoles her son after authorities said Adam Lanza shot and killed 18 children and six adults at Sandy Hook Elementary School in Newtown, Conn., before taking his own life; two more children died later at a hospital and Lanza's mother was found dead in her Newtown home.