Expanding a pristine national monument in the Pacific

Aired: 9/25/2014 | 0:06:53 | Clip
A region of the Pacific Ocean that is home to thriving colonies of rare and endangered species will be protected as the world’s largest marine preserve, under an executive order by President Obama. Hari Sreenivasan learns more from Elliott Norse of the Marine Conservation Institute about the importance of keeping the area undisturbed, as well as its historical precedent.