Scientific American: For a professional blowhard, there is no worse fate than being ignored. So I`m always--well, almost always--delighted when my posts get pushback, especially from people who are smart, well-informed and thoughtful. In my last post, "Hawkish U.S. Policies Pose Bigger Threat to Peace Than Climate Change," I complained that discussions of how global warming might lead to more war too often neglect U.S. instigation of lethal conflict. As an example of such neglect, I mentioned Neil Bhatiya and Tim Kovach`s...