I'm fascinated by the journey that an intelligent and an ambitious woman makes in the professional world in contrast to the journey that a man of similar ambition, of similar intelligence makes. What sort of concessions does a woman have to make? Does she have to work 20 percent harder than a man?

I find a difference in British spy fiction and American spy fiction. In the American version, it's more militaristic, partly because the CIA has more of the military makeup. Whereas MI6 is more of a cerebral, intelligence-based, relationship-based service, i.e., all they do is recruit people to get information out of them.

The first thing you should know about people is that you don’t know the first thing about them.