It is true that some liberals and humanists, along with the laid-back Danes, deny the existence of evil. This is largely because they regard the word 'evil' as a device for demonising those who are really nothing more than socially unfortunate.
And beyond that, the next issue is how do we guarantee one of these weapons, not necessarily this missile, but nuclear weapons ends up in the hands of Al Qaeda or some other terrorist group.
A lot of parents ask me how to get kids to eat more vegetables. The first thing I say is that it starts from the top.