I. The Ache for StructureI have been thinking about what it means to live inside something that holds you. The other night, my stepfather and I sat in the soft light of the living room, a documentary about naval carriers playing on the screen. He is a retired Lieutenant Colonel, and as the film showed the immense, choreographed life of a ship at sea, he began to recall his time there. His words carried a quiet, precise recollection of watches, of chain of command, of a world where every perso...