Fight the wind or ride the balloon Thomas P.M. Barnett’s “The Pentagon’s New Map” (2004) outlined how the sources of conflict in the world are concentrated in the non-integrating “gap” areas under cultural stress and disconnected from the broader economy. As in Barnett’s past work, “America’s New Map: Restoring Our Global Leadership in an Era of Climate Change and Demographic Collapse” (2023) looks to a future worth creating. The cultural stress in the U.S. these days, Barnett tells James Fallows on his podcast this week, is connected to America “losing its whiteness.” But that’s more connected to climate change than Americans of the Baby Boom generation care to admit. Fallows writes: Barnett is crystal-clear about climate change as a central driver of world politics, economics, and strategic tensions. And he emphasizes two related aspects of particular importance to the United States. —One is climate’s role as driver of migrations—mainly south-to-north around the world, since that’s more feasible than east-west migration across the broad oceans. Millions of people are going to have to move, and sooner or later someone will have to accept them. —The other is climate’s potential to be the next great motivating theme in American life, a rough counterpart to frontier-expansion in the late 1800s, and industrialization in the early 1900s, and military challenges in the mid-1900s. You can read more about this as the central argument in his new book, and a recurring theme in the second half of our conversation. For instance: Barnett argues in his book that the…