SITKA, ALASKA Alaska kids are walking across Asia. Well, they’re actually walking across a very large map of Asia. National Geographic’s “Traveling Map of Asia” has come to Alaska, and it’s touring the state’s schools. It’s a hands- and feet-on approach to geography, and its visit is just about over. Melissa Marconi Wentzel stopped by Sitka’s Blatchley Middle School, where 7th graders were using the map to explore some complex ideas.