I believe that we should use our great power not for military purposes but to bring food and medicine to those areas of the world that have been devastated by war, by disease, by hunger. If we took a fraction of our military budget we could combat malaria, tuberculosis, and AIDS. We could provide clean water for the billion people in the world who don’t have it and would save millions of lives. That would be an accomplishment we could be proud of. But how proud can we be of military victories over weak nations, in which we overthrow dictators but at the same time bomb and kill the people who are the victims of these dictators? And the tyrants we overthrow are very often the ones we have helped stay in power, like the Taliban in Afghanistan or Saddam Hussein in Iraq.