Kira Roby went to the one-day free medical clinic Saturday at Bartle Hall with a couple of health concerns on her mind, one of which was that she might have diabetes.  The disease runs in her family. But the 26-year-old from Kearney, who works at a convenience store, has no health insurance and had never been tested before.  Roby didn’t know what the signs of diabetes are, so she was lost when a nurse asked if she’d been feeling symptoms...