Congresswoman Gabrielle Giffords speaks at gun violence hearing
The first Senate hearing on gun control since the Sandy Hook Elementary School massacre is under way in Washington.
The witness of the day was former Congresswoman Gabrielle Giffords. Giffords gave unscheduled opening statements at the hearing on gun violence.
"Speaking is difficult, but I need to say something important, volence is a big problem and too many children are...