The agent, whose name has not been released, was turning the corner from E. 8th St. onto Caton Place in Windsor Terrace about 9:45 p.m. when he came across a man and his girlfriend walking with a female Belgian Shepherd. Police said the agent told investigators that the dog charged at him. And in a statement to The Daily Beast, the Secret Service alleged the dog was unleashed. In answer to a request from The Daily News to clarify the characterization of “unleashed” since The News has a photo of the dog’s body at the scene with her leash still...