虽然美国在传统的权力手段上表现不错，但是，由于信息革命和全球化，世界政治正在以一种阻止美国人通过单独行动达成他们的国际目标的方式，发生着变化，所以这些手段越来越无法掌握确定世界政治的许多因素。
Although the US does well on the traditional measures of power, those measures increasingly fail to capture much of what defines world politics, which, owing to the information revolution and globalization, is changing in a way that prevents Americans from achieving all their international goals by acting alone.