CLINTON, Mississippi, Sept. 9 -- Mississippi College issued the following news: During his freshman year at Mississippi College, Anthony Thaxton was selected to design and produce a poster to promote the Eudora Welty Writers' Symposium, an annual celebration of the achievements of Southern authors and scholars named in honor of the world-renowned short-story writer, novelist, and photographer. One year earlier, Thaxton had attended the first Welty Symposium at the author's alma mater, the Miss  more