Not afraid to tackle provocative topics in American culture, from gun violence and labor policies to terrorism and health care, Michael Moore has earned both applause and invective in his career as a documentarian. In such polarizing films as Bowling for Columbine, Fahrenheit 9/11, and Sicko, Moore has established a unique voice of radical nostalgia for progressivism, and in doing so has become one of the most recognized documentary filmmakers of all time.