When in doubt, don't.

I am an optimist. It does not seem too much use being anything else.

Any society that could come here could pick up the lights from New York. What should we do about that? Should we darken New York from now until the last human expires? Would we want to turn off all the radars at JFK airport?

Out of 6 billion humans, the troublemakers are just a handful.

People like things they can do now, not just think about.