But the situation became more complicated after terrorists attacked the World Trade Center and the Pentagon.

Bin Laden said he had personally directed his followers to attack the World Trade Center.

Soon into Bush's term, terrorists attacked the World Trade Center on September 11, 2001.

On the morning of September 11, terrorists attacked the World Trade Center.

He had been at work on this book for months before terrorists attacked the World Trade Center.

And after terrorists attacked the World Trade Center, things went from bad to worse.

We just had a chapel explaining that they thought terrorists attacked the World Trade Center.

The barbarians who attacked the World Trade Center knew, unfortunately, that violence is the force multiplier of the weak.

"The offer is there," he said during a hastily called news briefing, the first devoted specifically to politics since terrorists attacked the World Trade Center.

The next day, terrorists attacked the World Trade Center.