‘Avedon’ Review: Ron Howard’s Thrilling Documentary About Richard Avedon, the Great Photographer Who Turned Head-On Portraits Into an Art Form

"Avedon," Ron Howard’s documentary about the legendary photographer, is a fantastic movie. It’s the best documentary Ron Howard has made (my favorite before this: "The Beatles: Eight Days a Week — The Touring Years"), and it’s been edited in a way that’s so supple and artful that its technique…