Emily Mortimer is perhaps best known for her performance as MacKenzie McHale in Aaron Sorkin’s beloved HBO series “The Newsroom.” In this hour she talks extensively about one particular, powerful scene in her breakout film, Nicole Holofcener’s “Lovely & Amazing” (which earned her an Independent Spirit Award for Best Supporting Actress), and about what it was like to play a character named “Emily Mortimer” in her HBO series “Doll & Em.” Plus, of course, we talk SORKIN.