The only measuring stick I have is if a successful terrorist attack has taken place inside the United States. Ultimately, that was our goal following 9/11 - not let it happen again.

WTC 1993, Oklahoma City 1995, WTC 2001 - all of these are examples of what I don't want to see happen here again. In my estimation, I can find no example where attacks of this magnitude have taken place inside the US. The cliche goes: you can't argue with results.