father of five, all five of us. happy father's day, se llama, papa. michael phelps is fast, but can he outswim a shark? he will kick off the discovery channel's shark week marathon by racing a great white. a great white! no details on how the shark and phelps will face off, but discovery says it will be an event so monumental. no one has ever tried it before. phelps posted this photo of a cage-diving trip, perhaps scouting his competition. the question on this father's day, how will this new dad some day tell the story of how he raced a shark? all right, i want you to meet arafat garabazi. he is quite a swimmer himself. separated from his family in the democratic republic of congo, he was helpless and homeless, but swimming changed his life. >> arafat garabazi is an