Mr. Wright and Mr. Kaplan debated the condition of the world in 2010. Mr. Wright discussed some of the themes of his book, Nonzero: The Logic of Human Destiny, published by Pantheon Books, while Mr. Kaplan presented some of the arguments of his book, The Coming Anarchy: Shattering the Dreams of the Post Cold War, published by Random House. Both books have been reissued by Vintage Books. The two authors focused on trends in international politics, and discussed the sources of disorder in the post-Cold War world. After their presentations, they answered some questions from members of the audience.