Today in history: Dec. 14
In 2012, a gunman with a semi-automatic rifle killed 20 first-graders and six educators at Sandy Hook Elementary School in Newtown, Connecticut, and more events that happened on this day in history.
Today's other top stories include Hunter Biden defying a GOP congressional subpoena, a new poll showing Americans' attitudes about a potential Trump vs. Biden rematch, and more. Get caught up.