I would like to recognize those who have helped to bring this project to fruition, for it is through the help of many different individuals that the conception and completion of this work was possible. Foremost, I acknowledge the National Science Foundation (grant no. 9912271) for funding this project. I would like to express my gratitude to my husband, Greg Wilson, whose support and encouragement kept me going daily. Greg helped in so many ways, from proofreading my writing and trouble- shooting my ideas to calming me down and installing an air-conditioning unit in my office. I would also like to acknowledge my mentor, Margaret Scarry, whose guidance and.
