Say hi to Harry. By SARA VANDEN BERGE   One of this week’s featured pets up for adoption at the Erath County Humane Society is Harry, a three to four-month-old male mixed-breed pup with a big heart and lots of energy.   “Harry was born under a local business and brought safely into our care,” ECHS executive director Serena Wright told Beneath the Surface News .     “He didn't have much early human interaction, but you'd never know it now. This sweet boy loves attention and s