North Korea has criticized Japan for actions it says nullify the historic 2002 Pyongyang Declaration, under which the two countries agreed to make efforts toward normalizing ties, state-run media said Friday ahead of the 20th anniversary of the accord's signing.Song Il Ho, North Korea's ambassador responsible for negotiations to normalize the relationship with Japan, said in a statement Thursday that Tokyo has rendered the accord "null and void" due to sanctions linked to Pyongyang's nuclear and missile programs and "pushed the bilateral ties to the lowest ebb of confrontation," the report …READ FULL ARTICLE