Original sentence: Churchill is a Viet Nam war veteran and is of mixed White and Native American ethnicity.In 2005, Churchill became the subject of intense right-wing propaganda campaign and debate in the United States because of an essay he wrote in 2001 about September 11, 2001 attacks.In response to his being uninvited from Hamilton, Hawaiian Studies Professor and Hawaiian Sovereignty movement member Haunani-Kay Trask invited him to speak at the University of Hawaii on February 22, 2005 where he responded to his critics, and argued for academic freedom and free speech.In some of his published work he characterizes the United States as an imperialist power with a history of genocide.Professor Churchill's specialization has centered on Native American issues, but he has also written on subjects such as the FBI and police states.Ward Churchill, an American academic, is a tenured professor of ethnic studies at University of Colorado at Boulder and co-chairman of the American Indian Movement of Colorado (Colorado AIM)
Edited sentence: Churchill (born October 2, 1947) is an American academic and activist of mixed white and Native American heritage.He is very vocal on Native American issues, the FBI and police states.His published work characterizes the United States as an imperialist power with a history of genocide.In 2005, Churchill became the subject of intense debate in the United States because of an essay he wrote about [[September 11, 2001 attacks].In response to his being uninvited from Hamilton, Hawaiian Studies Professor and Hawaiian Sovereignty movement member Haunani-Kay Trask invited him to speak at the University of Hawaii on 22 February 2005 where he responded to his critics, and argued for academic freedom and free speech.The author of many books and articles, he is a tenured professor of ethnic studies at University of Colorado at Boulder and co-chairman of the American Indian Movement of Colorado (Colorado AIM).Ward L