Predicting the Oscars is a game that I love when I’m good at it (I will never tire of sharing that year when I got 21 out of 24) and loathe when I’m lousy at it (let’s not mention that year I got only eight right). So, with that caveat in mind, let’s put on our prognosticating hats and take a look at the top categories. As always, I’m including both my prediction and my own vote (if I were an academy voter; alas, I am not), as well as a nod to a movie or performance that I wish had made the final cut. Best pictureConventional wisdom is that Jane Campion’s eerie Western “The Power of the Dog,” …