Rebecca Keegan writes: Oscar’s supporting actor race will be a hairy one this year — and something of a digital proving ground. Andy Serkis, who played Caesar, the hyper-intelligent chimp in this summer’s “Rise of the Planet of the Apes,” is getting an awards push courtesy of 20th Century Fox. Serkis’ performance — which tracks Caesar from his childhood raised by a human scientist (James Franco) through his political awakening as an adult chimp in a cruelly run primate sanctuary — was delivered via the same computer-graphics techniques used in “Avatar.” More..