May 16, 2013 2:48 pm Cat Deeley's 10th “Dance” Season Cat Deeley chats about what makes the show great, Season 4 runner-up Stephen “tWitch” Boss being a guest judge, and how contestants have stepped up their acts. US & World Videos 1:36 Arizona Senate repeals 1864 abortion ban 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