In "Dreams", a chapter in The Last Stand, his retelling of Custer's defeat at the hands of Sitting Bull and his Lakota warriors, Nathaniel Philbrick recounts the visions experienced by young Lakota men on spirit quests: "A vision could occur at any pivotal moment in a Lakota"s life. After days without food and water, alone, often on a mountaintop or butte..." As Philbrick writes, "the vision was not hazy or ill-defined. It was real." He includes a description from a Lokota, John Fire: "It hits…