Bear Smallhill writhes on the ground, the victim of a shooting. His vision blurs, he floats up into the sky, and when he descends, the Rural Oklahoma teen is looking at the ghost of a Native American warrior named William Knife-Man, who died in the Battle of Little Bighorn. “Looks as though you’ve tasted the white man’s lead,” William suggests, before dispensing various bits of wisdom, telling Bear, “We died for our people. We died for our land. What are you gonna do? What are you gonna fight for?...