'SOLDIER'S HOME': ANOTHER STORY OF A BROKEN HEART He knew he could never get through it all again. "I don't want to go through that hell again." In the works of Ernest Hemingway, that which is excluded is often as significant as that which is included; a hint is often as important and thought-provoking as an explicit statement. This is why we read and reread him. "Soldier's Home"is a prime example of this art of echo and indirection. Harold Krebs, the protagonist of "Soldier's Home," is a young veteran portrayed as suffering from an inability to readjust to society--Paul Smith has summarized previous critics on the subject of how Krebs suffers from returning to the familial, soc