Multilateralism is a means, not an end, and there is no more multilateral body than the UN. That may make it unwieldy at times, but the UN's inclusiveness is the key to the legitimacy only it can confer. The organization thus remains an essential force in international politics, and one the United States benefits from greatly.
Sunil Khilnani rightly praises Nehru's idea of modern India. But his stylish book glosses over the flaws in that vision.