No President, Senator, Representative, Prime Minister or Member of Parliament should vote for or authorize any military action or war unless:
he or she has served in combat, or has a son or daughter who is serving in combat.
That's what I think.
Please do a You Tube search for "The Fureys" rendition of "The Green Fields of France", and you'll understand.
(Maybe this link will work - http://youtu.be/ntt3wy-L8Ok - if you cut and paste it into your browser )