Imagine living in wilderness for an entire year. Imagine living with only a canoe for transportation in the summer and only dogs to haul gear in the winter. Imagine living in a tent in northern Minnesota when the winter temps drop to -40. Imagine watching the northern lights over lakes so clean that you can dip your cup into them and drink the water. Imagine being away from it all for a full year. That’s what Amy and Dave Freeman, 2014 National Geographic Adventurers of the Year, are going to do next. They’re going to live inside the Boundary Water Canoe Area Wilderness (BWCA), a million acre wilderness and America’s…