The king of sushi is tuna -- especially bluefin tuna. In Tokyo's Tsukiji fish market, bluefin can sell for as much as $20,000 per fish. As Bob Simon reports, growing demand is pushing fisherman worldwide to find new and more efficient ways to land this prized catch.NEW EPISODES STREAMING SUNDAYS
ncG1vNJzZmivp6x7sa3RmqSorZ6pva3B0meaqKVfqLWww9JoraKclaR8k7mwgJGbqHuUrnqb1XqJbIaEjbCvr9mzh66RhGmisp%2BO