Cold Wars: Battle for Arctic oil

Nearly two dozen ships on the move to the icy waters of the Arctic. Shell Oil is one step closer to discovering whether there is a bonanza of oil offshore of Alaska's north slope.

The prize, if it's there, a virtual gusher of oil that could spark a race between oil companies across the globe to drill in the Arctic.

Potentially a windfall, but this is an incredibly harsh place – it also happens to be home of a huge amount of wildlife and native Eskimo tribes that rely on those natural resources to survive.
Could arctic oil be the answer to America's energy woes? Or is it another deep water horizon in the making? Our Miguel Marquez traveled to far northern Alaska for answers.