Original sentence: Author of many books and articles, he is particularly outspoken on Native American issues as well as the FBI and police states.Churchill (born October 2, 1947), an American academic, is a tenured professor and former department chairman of ethnic studies at University of Colorado at Boulder and of partial Native American descent; in addition, he is co-chairman of the American Indian Movement of Colorado (Colorado AIM).In 2001 Churchill wrote an essay in response to the September 11, 2001 attacks.In 2005, following a broadcast on Fox News' The O'Reilly Factor, Churchill became the subject -- some argue target -- of intense media scrutiny and an ongoing public debate.Some of his published work characterizes the United States as an imperialist power with a history of genocide.This article focuses primarily on this debate and the issues it has brought up including -- Churchill's own ethnicity, freedom of speech, academic freedom and more
Edited sentence: Churchill (born October 2, 1947) is an American academic and activist of part Native American descent.Churchill is very outspoken on Native American issues, the FBI and police states, and his published work characterizes the United States as an imperialist power with a history of genocide.In 2005, Churchill became the subject of intense media scrutiny in the United States because of an essay he wrote in response to the September 11, 2001 attacks.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)