If Iran and North Korea, by some horrible, devilish, nightmarish scenario, got together and went to war at the same time, one against Saudi Arabia and one against South Korea, I don't know what we would do about that. I don't know that we could stop them short of using nuclear weapons.

I have always been very diversified, so I have never suffered a catastrophic loss. I spread my money around the way a large institutional investor does. I use different brokerage firms. I manage some of my accounts myself.

I was a trial lawyer. At the same time, I was a teacher. I taught about the political and social content of film for American University. Then I left and became a teacher at the University of California at Santa Cruz. I taught about the political and social content of film, but I also taught a course in law for undergraduates.

Now we're asking ourselves why our children have no conscience, why they don't know right from wrong, and why it doesn't bother them to kill strangers, their classmates, and themselves.

What's a good investment? Go home from work early and spend the afternoon throwing a ball around with your son.

When I seemed to be irritable or sad, my father would quote the learned Dr. Knight, and then say, 'Just go to sleep.' Like all smart aleck kids, I thought the advice was silly. But as I've grown older, I've realized just how smart Knight was.

Running a real business is exacting, daunting, repetitive work. Even in Silicon Valley.