By Stephan Haggard, Special to CNN
Editor's note: Stephan Haggard is professor at the School of International Relations and Pacific Studies at the University of California, San Diego. He is the co-author of "Famine in North Korea" (2008) and "Witness to Transformation: Refugee Insights into North Korea" (2011) and co-editor with Marcus Noland of a blog about North Korea.
(CNN) - March brought us a series of what pundits like to call "provocations" by North Korea. On closer inspection, Pyongyang has opted for rhetoric over actual military actions.
While Kim Jong Un's pursuit of nuclear and missile capability remains worrisome, escalating signals of resolve could suggest nervousness as much as strength.
So, is the regime in trouble?
Read the full take on CNN's OPINION page.