BEAVERTON, Ore. - Nike on Tuesday unveiled what it said is the first shoe designed specifically for American Indians, an effort aiming at promoting physical fitness in a population with high obesity rates. The Beaverton-based company says the Air Native N7 is designed with a larger fit for the distinct foot shape of American Indians, and has a culturally specific look. It will be distributed solely to American Indians; tribal wellness programs and tribal schools nationwide will be able to purchase the shoe at wholesale price and then pass it along to individuals, often at no cost. "Nike is aware...