BILL LITTLEFIELD is the host of NPR and WBUR's sports show, "Only a Game," which is syndicated to some 200 public radio stations around the country. The author of several books on sports, two novels and two collections of his radio and magazine commentaries, he is writer-in-residence at Currey College, where he teaches one course each semester. A graduate of Yale University and the Harvard Graduate School of Education, Littlefield began broadcasting sports commentary on WBUR (Boston) in 1984. STEPHEN COREN is a graphic designer, artist, web developer and video producer who lives in the Boston area.