It's been almost 20 years to the day since the Port Arthur massacre, which changed Australian gun laws completely. But two decades on and former Prime Minister John Howard, who helped put the National Firearms Agreement into place, continues to be questioned about whether Australia's ban on guns has benefited the country. In an interview with US broadcaster CBS' Sunday Morning TV program, Howard was asked to comment on the current state of firearm laws in the US and... (GunPolicy.org)