How so? How would focusing on the United States prevented bin Laden's forces from attacking us again?
When the first Muslim showed up in flight school and said he wanted to learn to fly but wasn't interested in landing a plane, even a second-grader would have told you that something wasn't quite right.
For the U.S. to wage war in the Middle East to "combat terror," while at the same time allowing nearly unfettered access to this country by people all over the globe, is the height of idiocy.