Denis Johnson’s The Laughing Monsters is a high-suspense tale of kaleidoscoping loyalties in the post-9/11 world that shows one of our great novelists at the top of his game. Roland Nair calls himself Scandinavian but travels on a U.S. passport. After ten years’ absence, he returns to Freetown, Sierra Leone, to reunite with his friend Michael Adriko. They once made a lot of money here during th...