 What part of the narrator is responsible for the story’s exposition?
HOMECOMING BY MIGUEL HIDALGO What lasts forever? Not even forever [Transcriber's Note: This etext was produced from Worlds of If Science Fiction, April 1958. Extensive research did not uncover any evidence that the U.S. copyright on this publication was renewed.] They were nearing a river; the water would be welcome on tired bodies and dry throats. He spurred his horse, and when they reached the water's edge, he dismounted and unsaddled the horse. Then both man and horse plunged headlong into the waiting torrent, deep into the cool embrace of the clear liquid. Then he led him silently to a grassy slope where he hobbled him and left him for the night. Refreshed and momentarily content, he sat staring into the dying fire, seeing the bright glowing coals as living fingers clutching at the wood in consuming embrace, taking all and returning nothing but ashes. Images began to appear, drawn from inexhaustible files, wherein are kept all thoughts, past, present, and future.... World War III had been declared, and he had enlisted, receiving his old rank of captain. She took off the locket she wore about her neck and held it up to the shimmering light, letting it spin at the end of its chain. When he opened it, he found a picture of her in one side, and in the other a picture of the children. Then he kissed her, and instantly was drawn down into the abyss which seemed to have no beginning or any end.
 His memory.
 His war experience.  His memory.  His heart.  His love for his wife.