A Toronto man says he’s having a dog of a time trying to figure out why police charged him in an alleged canine theft case in the city’s east end. Sean Dunkley showed up at the Sun newsroom Monday to tell his side of the story after the dogknapping case he’s charged in connection with was featured on the front page of Monday’s Toronto Sun. “Do you think this is a joke — some kind of sick joke this guy is playing on me?” Dunkley asked. “Now I’ve got (the story) on the front page of the Sun and people...