North Korea’s Kim preparing for war with US, steps up nuclear sector USA TODAYNorth Korean elites attend year-end ceremony in expensive Mercedes sedans, despite luxury goods ban Fox NewsKim Jong Un Pledges to Advance His Atomic Ambitions in New Year BloombergNorth Korea’s Kim boasts of achievements at year-end political meeting POLITICONorth Korea’s Kim vows to bolster war readiness to repel US-led confrontations The Associated Press