Memphis- Kathy Lyn Pinchback Preston, 57, passed away Sunday, July 29, 2012. She was born on December 8, 1954 in Jonesboro. She received a master\u0027s degree in mathematics from Arkansas State University and taught mathematics at University of Memphis. She was a former member of the First United Methodist Church in Jonesboro and was an avid sports fan including the Dallas Cowboys and the L.A. Dodgers. She is survived by her husband, Dr. James...