Ebenezer – An out-of-practice veterinarian arrested on Oct. 24 on charges of trafficking hydrocodone, which authorities believe he obtained fraudulently, admits that he has struggled with an addiction to codeine but said the charges against him are unwarranted. “I do have a drug problem,” said Richard Keeton, 60, who was the subject of a joint investigation by local, state and federal agencies that turned up an estimated 400 capsules of hydrocodone and about 800 pills of valium during a search of Keeton’s home on Cook Creek Road. “I was self-medicating. I have a weakness for codeine. It’s been like a...