"Peace in the world is everybody's business, no matter where you live or what you do." — Betty Williams

Peace is not wimpy. It's about sitting down and negotiating with people you hate. Ultimately, all occupation ends, and you have to deal with the enemy.

Men, once enemies, are now jointly governing in Northern Ireland. And although there have been several hitches, by and large it's working well.

John Irwin became one of the greatest peace workers in Northern Ireland.

Turmoil is everywhere, and the whole world is waiting for solutions to come from the top down. That's not how it works - community change from the bottom up makes a real difference.