Photo by Rick O! via the LAist Featured Photos pool on Flickr A shark attack off the shores of San Diego killed Dr. Dave Martin, a retired veterinarian and triathlete from Solana Beach. Martin was taking part in an early morning group swim near Fletcher Cove when the incident occured; an 8-mile section of beach remains closed. The fate of Rocky, the grizzly bear who bit and killed his trainer earlier this week, will......