For example, we are dependent on India for much of our software. So is that a vulnerability? Is that something we should worry about?

Preemption is and always will be a potentially useful tool, but it's not something you want to trot out and throw in everybody's face. To have a strategy on preemption and make it central is a huge error.

You have this simultaneous effect, rather like the nuclear weapons at Hiroshima, not taking days or weeks but in minutes. You're sitting in Baghdad and all of a sudden you're the general and 30 of your division headquarters have been wiped out. You also take the city down. By that I mean you get rid of their power, water. In two, three, four, five days they are physically, emotionally and psychologically exhausted.

Software and digital devices are imbued with the values of their creators.

Specific design needs to come into play for the female golfer. For example, women's golf clubs are an inch and a half shorter than men's -- that needs to be managed. On the carry side, a woman's shoulders are closer together, so the straps need to be engineered differently.

Let me back up a little and tell you why I prefer writing to real life: You can rewrite. A novel, for example, can be cleaned up, altered, trimmed, improved. Life, on the other hand, is one big messy rough draft.