Well, first of all, we now have everybody with the exception of India, Pakistan, and Israel, and I don't think these three countries are going to join by simply providing them an incentive, in terms of technology.
I felt slightly superior to student politics, for instance. I had no reason to think this, but I thought of myself as slightly more seasoned. I became quite cynical talking to my student friends.
The more you are getting older, you lose a little something. Of course there is another advantage, because of your long experience you can use it.