Ward Churchill — American Educator born on October 02, 1947,

Ward LeRoy Churchill is an American author and political activist. He was a professor of ethnic studies at the University of Colorado Boulder from 1990 until 2007. The primary focus of his work is on the historical treatment of political dissenters and Native Americans by the United States government. His work features controversial and provocative views, written in a direct, often confrontational style... (wikipedia)

Truth is the best defense.
When you kill 500,000 children in order to impose your will on other countries, then you shouldn't be surprised when somebody responds in kind.
I am not a 'defender' of the September 11 attacks, but simply pointing out that if U.S. foreign policy results in massive death and destruction abroad, we cannot feign innocence when some of that destruction is returned.
My comments are reserved for reputable journalists.
There is no consensus, there is no homogeneity, there is no truth.