Toward the end of the third hour I was cranking better than I had been all day. Maybe it was because Capt. Bob was now yelling, "Reel him, you sorry son of a bitch!" And suddenly the fish popped up onto the surface-a bluefin tuna, sparkling like a giant sapphire. When we got him to the dock, there were about a hundred Bahamians who had shown up to see him. The scale said 685 pounds, and the whole island of Bimini ate tuna that night.