Stephen Krasner, chair of Hoover’s Working Group on Foreign Policy and Grand Strategy, examines the economic and security challenges to America’s continuing global preeminence.

I love this idea, floated today in  New York Times oped by David D. Laitin and Marc Jahr. It’s smart, doable, and a constructive, out-of-the-box approach to two distinct disasters.

Recently the Warwick PPE programme (that's Philosophy, Politics, and Economics) put on an event for school students. The idea was to show what each of the three disciplines--Philosophy, Politics, and Economics--can contribute on a topic of current importance. It turned out that philosophy is good at trying to understand the concept of terrorism, and the study of politics helps us to understand how western politics have influenced our concepts of terrorism. I decided to talk about why young people choose to become terrorists in terms of the economics of career choice. Here, roughly, is what I said.