Being the new kid on the block is seldom easy at any level, and it is certainly not easy in the anarchical world of international politics. New powers such as Brazil, China and India have to tread a difficult balance as they negotiate their way to the top. They must signal a sufficient level of conformity to show that they do not pose a threat to the system, and thereby avoid preemptive reprisals. But habitually conciliatory diplomacy is likely to...