Kim Jong Un opens Congress of Workers' Party, admits nation's economic development plan had fallen short Updated Jan 06, 2021 | 07:07 IST Relations with Washington have been deadlocked since talks between Kim Jong Un and President Donald Trump stalled over sanctions relief and what Pyongyang would be willing to give up in return. North Korea's leader Kim Jong Un  |  Photo Credit: AP, File Image Pyongyang: North Korea's leader Kim Jong Un admitted the country's economic development plan had fallen short in "almost all areas" as he opened a rare congress of the ruling Workers' Party, state media reported Wednesday. The gathering is the first of its kind in five years, only the eighth in the nuclear-armed country's history, and comes weeks before US President-elect Joe Biden takes office.