sentences:  As of August 2015, GM employs approximately 7,200 workers in the Flint area, according to "The Detroit News", and 5,000 workers according to MSNBC.In 2013, the film was selected for preservation in the United States National Film Registry by the Library of Congress as being "culturally, historically or aesthetically significant".Moore begins by introducing himself and his family through 8 mm archival home movies; he describes himself as the Irish American Catholic middle-class son of a General Motors employee assembling AC spark plugs.