What happens when travel comes full circle? That’s not what I was thinking as I chatted with a shaggy-haired 20-something as he pulled a stack of postcards out of the sun-visor of his Prius. “You look like you’re loaded down”, he called over the gas pump before the Sweetgrass boarder crossing. His words were muffled in the wind. Something about the way he said it caught my attention. “You’re headed to Alaska”.  He had said it as more of a statement than a question. I too soon would learn to recognize the difference between a Canada tourist and those making the long-haul North. We’d pulled over at the last place…