Please For this reason, he says another of the projects aims is to study how different sorts of political tipping points have led elected leaders to buck into national norms Leaders ages matter as well though.

出于这个原因，他说另一个项目的目的是研究不同类型的政治转折点如何导致民选领导人屈服于国家规范。领导人的年龄也很重要。