Guns were the issue. But words and federal lawsuits became the weapons of choice Tuesday as Atlanta officials declared Hartsfield-Jackson International Airport a "gun-free zone," and gun advocates immediately retaliated by suing them. The fight over a new state law — one that permits licensed gun owners to carry concealed weapons in more public places — began at Atlanta's city-run airport, the world's busiest with 89 million passengers a year. But city officials... (GunPolicy.org)