Michael Finley, a leader in the Confederated Tribes of the Colville Reservation, steadfast advocate for tribal sovereignty and renowned historian, died Wednesday. He was 44. From 2008 to 2013, Finley …Michael Finley, a leader in the Confederated Tribes of the Colville Reservation, steadfast advocate for tribal sovereignty and renowned historian, died Wednesday. He was 44. From 2008 to 2013, Finley …