When U.S. Secretary of State John Kerry meets with his Chinese counterpart later this week, North Korea will be a main agenda item, the State Department said Wednesday. \"Certainly DPRK, the nuclear issue surrounding that will be a key part of their discussion,\" the department\'s deputy spokeswoman, Marie Harf, said at a press briefing. She used the acronym for North Korea\'s official name, the Democratic People\'s Republic of Korea.