Britain's current gun licensing system could not have prevented the mass shooting earlier this year by Derrick Bird but it still needs to be tightened, a report said on Tuesday. Taxi driver Bird carried out Britain's worst gun killings for years when he shot dead 12 people and injured another 11 as he blasted victims during a three-hour rampage through towns and villages in Cumbria in northern England in June. The shootings, which involved people Bird knew as well as... (GunPolicy.org)