Why...is the hunter who shoots a deer for venison subject to more criticism than the person who buys a ham at the supermarket? Overall, it is probably the intensively reared pig who has suffered more.

More often there's a compromise between ethics and expediency.

There are a lot of weapons that we've developed which we've pulled back from - biological weapons, chemical weapons, etc. This may be the case with armed autonomous robotics, where we ultimately pull back from them.

Cheats prosper until there are enough who bear grudges against them to make sure they do not prosper.

I can tell you that too much money is corrupting American politics. Don't blame the American public. The U.S. Supreme Court has a lot to answer for, because it has made it impossible for Congress to reduce the corrupting influence of money on American political life.

Lay off with the 'You reason, so you don't feel' stuff, please. I feel, but I also think about what I feel. When people say we should only feel I am reminded of Göring, who said 'I think with my blood.' See where it led him.

If we all think only of our own interests, we are headed for collective disaster - just look at what we are doing to our planet's climate.