KATHERINE ANNE PORTER: THE LIFE OF AN ARTIST BY DARLENE HARBOUR UNRUE JACKSON: UNIVERSITY PRESS OF MISSISSIPPI. 381 PAGES. $30. Katherine Anne Porter's penchant for prevarication was legendary. The introduction to the Paris Review's 1963 interview with the author, for instance, includes this delightful footnote: "Much of what follows is factually incorrect. But as Porter was renowned for embellishing and glamorizing her past, the editors have decided to leave fake enough alone." Fake or fact, the interview is deeply revealing. Porter explains her disdain for jargon, psychology, and the work o...