Doug Vilsack knows that finding third-world poverty and a lack of connectivity to the electrical grid in modern America might be about as shocking to some people as finding elephants wandering the Navajo Nation in the Four Corners region of Colorado, New Mexico, Arizona and Utah. So when Vilsack’s Denver-based sustainable energy non-profit Elephant Energy researched the situation on the Navajo Nation last year, discovering dangerous kerosene lanterns and heaters and more than 18,000 households completely off the grid, they changed their name to Eagle Energy in the Four Corners area. Arizona’s Monument Valley in the Navajo Nation (David O