The Directors Guild of America Awards were held last night, and one of the most reliable predictors of Oscar success has crowned Sam Mendes with its highest achievement in feature film directing. Mendes, who won this award in 1999 for American Beauty, bested Bong Joon-ho (Parasite), Quentin Tarantino (Once Upon a Time in Hollywood), Martin Scorsese (The Irishman), and Taika Waititi (Jojo Rabbit) to take home the top prize for his work in bringing the World War I film 1917 to the screen. The “one-take” movie was a late-comer to the Oscar race but has been steamrolling …