Diane J. Humetewa, the first female Native American U.S. attorney in history, will soon be out of a job – and not because she’s doing a bad job, either. Instead, she will become a casualty of the political appointee process that comes with each new presidential administration. Humetewa took the oath of office to become a U.S. attorney from Arizona in December 2007 and was formally sworn in a month and a half later. Indian country found big reason to celebrate. Not only was the longtime tribal justice advocate breaking a glass ceiling, she was rising to the heights of...