Oscars will be handed out to winners across 24 categories, ranging from best picture to best costume design.Kevin Winter/Getty Images Nick Lehr, The Conversation Because movies are so subjective, with views on the same performances and direction veering wildly from one critic to the next, determining the best of anything – whether it’s acting, direction or sound design – can be fraught. But that controversy also makes for good drama and suspense – fitting for a ceremony celebrating the ways in which actors, directors and cinematographers captivate, move and thrill audiences. So before you tune…