I think it is more a cautiousness that protects me from enthusiasm about things. I tend not to get excited. People perceive it as a scowl, which is fair enough.
I stepped out on faith to follow my lifelong dream of being an author. I made real sacrifices and took big risks. But living, it seems to me, is largely about risk.
Foreign policy is all about a universe of bad decisions, imperfect decisions; every situation is different. The dynamics, the atmospherics, the people, the pressures, the geopolitical realities shift.