North Korean Workers' Party congress signals 'confidence' ahead

North Korea's first congress of the ruling Workers' Party in five years was an opportunity for the leadership to assess its achievements, install new officials, and chart policy for the coming half-decade. Leader Kim Jong Un projected a conspicuous air of confidence at the February gathering as he touted successes across all sectors — including the economy, defense, and diplomacy. NHK World's Takeda Tomonari takes a closer look at the newfound air of self-assurance in Pyongyang — and whether it's warranted.