this is our traditional chief, trimble gilbert. and our mission is to protect the porcupine caribou herd from oil and gas development. "...mr. president, from our front door to yours." this is lorraine and i at the white house. we're not asking for money or schools or offices, like we'reust asking to continue to keep our identity. for over 40,000 years, we migrated with the porcupine caribou herd. all our songs, all our stories, all our dances are directed to them. the porcupine caribou herd is 80% of our food diet. the primary source of food is just what we can get on the land. yeah. that's how we survive. you know, if you take a look at the boundaries of the gwich'in nation, our boundaries are very, very similar, almost exactly the same, as the porcupine caribou herd, and so it's a life-giving herd and it gives life to the gwich'in people. so the most important part is the calving grounds. up here, right on the coas and that's where they want to drill. so the whole refuge is 19 million acres, with this 1002 area that's a critical