POST FALLS, Idaho — Two home-schooled teenagers in this northern town say they are carrying loaded guns to the library, grocery store and other public areas for self-defense, as a crime deterrent, and to educate others about their rights., 18, carries a loaded on his hip. His 15-year-old brother, Steven, carries a in a sling on his back.Police have been called on several occasions to question the teens but have not found the teens to be in violation of the law.In Idaho, residents 18 and older can openly carry a firearm in public. And those ages 13 to 17...