Discerning readers of this issue will note that once again we have focused on a single topic—screenwriting in this case. It is the second time we have done a “theme” issue, last fall’s number being entirely devoted to humor—poems, short stories, interviews, commentaries. Obviously, such a comprehensive offering is impossible with screenwriting — hardly a subject to be tackled by poets or short-story writers. Nonetheless, the three interviews (with Richard Price, Billy Wilder and John Gregory Dunne) are applicable, and so is the new feature, “The Man in the Back Row Has a Question.” As is a feature on Truman Capote’s work as a screenwriter of Beat the Devil. Lastly, a number of pages have been set aside for a portfolio on the work of the late Terry Southern — a screenwriter of first rank (Easy Rider, Dr. Strangelove, The Cincinnati Kid) as well as a distinguished novelist and short-story writer (Red Dirt Marijuana, The Magic Christian, Texas Summers). He was a longtime friend of this ma…