Ava DuVernay’s timely and viscerally moving “14th” leads this year’s Critics Choice Documentary Awards nominations with six, including best documentary feature. Close behind with five nominations apiece are Nathan Fielder and Lance Oppenheim’s examination of Elizabeth Holmes, “You Can See Everything”; Gabriela Osio Vanden and Jack Weisman’s polar bear migration story, “Nuisance Bear”; David Greaves’ […]