Q. Who should take the lead in fixing market capitalism' A. Business, not government alone. The spread of capitalism worldwide has made people wealthier than ever before. But capitalism's future is far from assured. Pandemics, income inequality, resource depletion, mass migrations from poor to rich countries, religious fundamentalism, the misuse of social media, and cyberattacks,these are just a few of the threats to continuing prosperity that we see dominating the headlines every day. How can capitalism be sustained' And who should spearhead the effort' Critics turn to government. In their groundbreaking book, Capitalism at Risk, Harvard Business School professors Joseph Bower, Herman Leonard, and Lynn Paine argue that while robust governments must play a role, leadership by business is essential.