Another mass shooting has raised many issues, including the increase in gun violence — not just from mass shootings, but also from homicides, suicides and accidents. Advocates say "smart gun" technology can make weapons safer. So why isn't it available on the American gun market?
Also, the suspect in this week's massacre in Charleston is charged with nine counts of murder. Dylann Roof had a confederate flag on his bumper. It flies at full staff on South Carolina's state capitol grounds. We look at what it has come to symbolize… from the Civil War to the Civil Rights Movement of the 1960's.
Photo: Houston Gun Show (Edward)