Rita Preckshot went to a peace rally, and a fight broke out. It started out as a typical Wednesday for Preckshot, a 49-year-old who stands about 5-foot-2 and has hearing aids in both ears. She was standing on her normal spot on Providence Road, holding her signs in support of American soldiers in Iraq and Afghanistan. For nearly four years now, this has been Preckshot’s life from about 4:15 to about 5:45 in the afternoon once a week. She started her solo troop-support effort to counteract the peace protesters who stand a couple of blocks away at the intersection of...