Global security can be formed or threatened by heads of state whose wisdom, folly and obsessions shape global events. But often it is the security practitioners, those rarely in the headlines but whose craft and energy quietly break new ground, who keep us safe or put us in peril.

全球安全可以由那些智慧、愚蠢和执迷于塑造全球事件的国家元首来形成或威胁。但往往是安全从业人员，他们很少出现在新闻头条上，但他们的技巧和精力悄悄地开辟了新的领域，保护着我们的安全，或将我们置于危险之中。