North Korean leader Kim Jong Un has pledged to strengthen the country's defense capacities at the first congress of the ruling party in more than five years, state-run media reported Thursday."important will" to protect national security by "placing the state defense capabilities on a much higher level," the official Korean Central News Agency said.Kim's remarks came before U.S. President-elect Joe Biden takes office on Jan. 20. The news agency did not report whether Kim referred to relations between North Korea and the United States as well as the nation's nuclear arsenal.During the period…READ FULL ARTICLE