LOS ANGELES — For documentary filmmakers, there’s no place like the Sundance Film Festival. The mountainside festival which kicks off Thursday in Park City, Utah, has become known for launching nonfiction films to box office successes and awards, and this year is shaping up to be no different. The slate boasts a wide array of films about fallen titans, from Harvey Weinstein to Theranos’ Elizabeth Holmes, music legends Miles Davis and David Crosby, two of Michael Jackson’s sexual abuse accusers, the Cambridge Analytica/Facebook scandal, Apollo 11, Mike Wallace, Toni Morrison and Dr.