April 2, 2013 9:50 am North Korea's Harsh Threats The North Korean leader Kim Jong Un is making some noise, and the U.S. is paying attention, but there’s no panic. NBC’s Tracie Potts reports 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