NEW YORK — A report of a National Rifle Association mole inside a gun-control group illustrates the ease of spying on U.S. citizen groups, an ex-FBI agent says. The NRA had no immediate comment, but a retired FBI agent told ABC it is easy for industry groups and companies to infiltrate citizen groups since they often rely heavily on volunteers and don't have the resources to check backgrounds. ABC said Sunday it confirmed the hired infiltrator, one Mary McFate, had... (GunPolicy.org)