He began his career by exploring cities in Flint, Michigan that featured General Motors replacing car factories with cheaper ones from Mexico. He also created the controversial film, “Fahrenheit 9/11,” which suggested the Bush administration knew more than they let on surrounding the 9/11 tragedy. That’s why some are amazed at his 360-degree turnaround in protest to current President Donald J. Trump, who shares some of his concerns that he addresses in his documentary films.