Nothing I can added to this.

In an interview with the Australian media, outgoing assistant Secretary of State Richard Armitage said this:

"The biggest regret is that we didn't stop 9/11. And then in the wake of 9/11, instead of redoubling what is our traditional export of hope and optimism we exported our fear and our anger. And presented a very intense and angry face to the world. I regret that a lot."