Melissa McCarthy is headed to one of the most unpredictable, wide-open Oscar races in recent memory this weekend, where she's up for a Best Actress award for her work in Marielle Heller's hilarious and heartbreaking biopic Can You Ever Forgive Me? Inspired by the life of famed literary grifter Lee Israel (McCarthy), Can You Ever Forgive Me? chronicles Israel's descent into the world of forgery as told in her biography of the same name. This week, the film arrives on Blu-ray and DVD -- just in time for you to get caught up for the Oscars, …