Scott Turow’s been called the king of legal thriller writers – with 30 million books in print, many made into memorable movies, but as his latest work shows, The Last Trial, he should be called a “novelist.” In the old-fashioned, big theme sense of the word. His books -- suspenseful, complex, filled with heady content and dramatic exchanges –are always timely, and none more so than The Last Trial, given the race to discover a vaccine against Covid-19.