WASHINGTON — The National Rifle Assn., one of the country's most influential lobbying groups, is wading into the presidential campaign with television commercials that criticize Sen. John F. Kerry of Massachusetts as an opponent of gun-owner rights. The Democratic nominee's camp flatly denies the charge. The NRA's advertising drive, including a 30-second spot that aired on cable TV last weekend, comes as the gun lobby is savoring two recent legislative victories... (GunPolicy.org)