Original sentence: Churchill became the focus of scrutiny in 2005 for an essay he wrote immediately following the September 11, 2001 attacks.He is currently a tenured professor of ethnic studies at the University of Colorado at Boulder.In the essay Churchill says that the World Trade Center victims were not entirely innocent because of their role in supporting what he claims are the United States' imperialistic global economic and foreign policies.This controversy sparked renewed criticism of Churchill concerning his claim of American Indian descent and the quality and integrity of his scholarly work.Ward LeRoy Churchill (born October 2, 1947) is an American author who claims partial American Indian descent
Edited sentence: Ward LeRoy Churchill (born October 2, 1947) is an American author and professor at the University of Colorado at Boulder known for his radical view that he could not think of a "better, more effective penalty" for the victims of the September 11, 2001 attacks who participated in what he says is American imperialism