I almost ran downstairs, excitedly telling everyone hanging out in the crew's mess about the change in plans due to the storms. We'd all learned to ignore the cameras that were always in the background. Doc joined us a few minutes later, and I took the time to brief everyone on the shark trackers I'd brought and how they worked. "I prefer to use them on a pole while I free-dive," I told them. "I pick out sharks underneath, swim down from behind them, and push the tracker onto the rear of the dorsal fin. It won't close unless the edge hits the middle of the V-shape, so you've got...