Michael V said:

captain_spalding said:

Witty Rejoinder said:

We’ll have to try keep it all on the sporting field. :-)

Let’s keep war as an option.

But, make it so that the leaders of nations have to lead their troops into battle, like kings of old.

No president/PM/king out front – no war.

Good rule that one.

Another one: make weapons illegal in war.

That works as well.