Giffords and Kelly: Fighting gun violence. By Gabrielle Giffords and Mark Kelly.

Giffords and Kelly: Fighting gun violence. By Gabrielle Giffords and Mark Kelly. USA Today, January 8, 2013.

Gabrielle Giffords, Mark Kelly Launching Gun Control Initiative. By Bob Christie and Brian Skoloff. AP, Huffington Post, January 8, 2013.