What you described are the children coming out of the Middle East countries...even that come to America.
When the ships were coming in to evacuate Lebanon when fighting first started...CNN interviewed a 15 year old boy...who is an American citizen with Lebanese family members...and he said that he would NOT come back to Lebanon until Israel is wiped from the earth as it SHOULD BE.
So..Mel may have had the same thing..but, lived in a culture that didn't actually act on hate...like the Middle East does..do you think?
I think we're in trouble when it comes to the generations who have been steeped in hatred. I really don't know how we are going to fix this. You have all the Lebanese, the Palestinians, the Arabs in general. They have been systematically brainwashed for years. It's going to take a massive 24/7 indoctrination to get that out of their minds.