Al Gore has a big new book, The Future: Six Drivers of Global Change. In it, he seeks to answer the question, ‘What are the drivers of global change?’ Through an at-times dizzying and often sobering ride through a complex array of issues, he tells us that the answer lies in the outcome of ‘a contest between the Global Mind and Earth Inc.’ How this battle plays out depends on us, and, particularly, on the revitalization of democratic institutions in the United States …