On July 28, she scrawled a last letter, which was later found by her bedside.She died in a coma in the Milledgeville Hospital on Aug. 3.Upon learning of her death, the Trappist monk Thomas Merton, himself the author of perhaps the greatest spiritual book of the 20th century, The Seven Story Mountain, said that he would not compare her with such writers as Hemingway, Porter, and Sartre, but rathe