By: Mark Leon Goldberg on April 04, 2013 North Korea has grabbed the media’s attention this week with a series of increasingly hostile statements and maneuvers. This is not exactly new behavior from Pyongyang, but I caught up with Ambassador Chris Hill, formerly the lead US negotiator on North Korea and currently dean of the Korbell School of International Studies at the University of Denver, to get a better sense of why these new provocations seem to be a bit more, well, provocative than usual. So why is North Korea engaging in this behavior? What animates decision making in Pyongyang? And is this latest round of provocations anything to be particularly worried about? He answers these questions and more. Have a listen Programming note: Check back tomorrow for a podcast with Jeffrey Sachs to coincide with a day of social media action on the Millennium Development Goals.