Anaysis: Pyongyang's Saber Rattling

October 10 each year sees North Korea mark the 1945 foundation of the ruling Korean Workers' Party. The day after this year's 76thanniversary was used to show off new weapons... as part of the Kim regime's drive to highlight its policy of boosting national defense capabilities. We sat down with an expert on North Korean issues for more on Pyongyang's increasingly aggressive approach.