richard myers: there probably wasn't any other event that made us understand as a nation that we're allked in so many different ways... that we all play a role in our security, in our well-being, in the well-being of e owthblicpu. >> well, 9/11 drove home the point that we are part of the world and can't separate ourselves from it by our oceans, that we have to be engaged in the world, hopefully smartly, not just militarily, although we must be strong. but also we must be wise, we must engage with others. >> sen. joseph lieberman: on 9/11/01 america changed, obviously. we lost about 3,000 of our fellow americans, but we also, in some sense, lost our innocence. >> i think what changed on september 11 for so many americans was the fact that it was brought home, and we realized the vulnerability that we face. but the purpose of terror, of course, is not to necessarily kill people, although that's part of it; it's to terrorize. the purpose of terrorism is to alter people's behavior, and therefore the most vulnerable people in the world are free peopl >> bush: we recognized with absolute cla