November 4, 2009 4:40 pm Taylor Swift Prepares for Double Duty on SNL Taylor Swift chats about the excitement of hosting and performing as the musical guest on “Saturday Night Live.” US & World Videos 1:40 Democrats say Big Oil misled public for decades about climate change 1:45 NYPD enters Columbia University in riot gear to clear protest 4:28 ‘Apples Never Fall' and ‘Jurassic Park' star Sam Neill reveals his real name 3:21 Katy Perry's surprising regret about cheeseburger Met Gala look 1:49 New guidelines say women should be screened every other year for breast cancer starting at 40