For the halfway-mark LION Award, it’s time to reveal our favorite writers for Best Screenplay. 5. Will Reiser for 50/50 and Abbas Kiarostami for Certified Copy (28 points) 4. Diablo Cody for Young Adult (30 points) 3. Steven Zaillian, Stan Chervin and Aaron Sorkin for Moneyball (49 points) 2. Asghar…