Michael LaPointe, an economist working for the Rosebud Sioux Tribe, speaks to U.S Treasury Secretary Janet Yellen (center) and Lynn Malerba (right), the lifetime chief of the Mohegan Tribe, during a visit Tuesday by Yellen and Malerba to the tribe’s South Dakota reservation. Malerba has been chosen to serve as Treasurer of the United States, making her the first Native person to serve in the leadership role. Photo by Kevin Abourezk