Former US president Barack Obama has said the aftermath of the Sandy HookElementary School shooting in 2012 was the "angriest" time of his presidency,leaving him "appalled" by the failure of Congress to pass new legislation.
Barack Obama Says Sandy Hook Shooting Was 'Saddest And Angriest' Moment Of Presidency
In a preview of his conversation with Oprah Winfrey, Barack Obama shares why the 2012 Sandy Hook Elementary School shooting was the..
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