Barrow is a place where a gallon of gas will set you back $7 a gallon, off-brand milk nearly $11, and polar bears sometimes prowl the edge of town. [...] in this year's midterm elections, the hardships of Barrow — both reaching the Inupiaq community of 4,700, and living in a place where subsistence hunts for whales, bearded seals and caribou help fill freezers — don't matter. The race for U.S.