Television is more of a business. You can't take as many risks, because there's so many channels now, and the advertising's dropping.
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.
My dad is good at sticking with stuff and he has a strong work ethic, which is imbued in me. Growing up, he would constantly ask what I was doing and was I achieving anything.