North Korea imported at least $640 million worth of luxury goods from China last year, in defiance of U.N. sanctions outlawing such trade over North Korea’s nuclear and missile programs, a South Korean lawmaker said on Monday. The United States has urged strict implementation of sanctions as part of a “maximum pressure” campaign which Washington has credited with bringing impoverished North Korea to the negotiating table. But there have been signs the campaign has been losing steam since North Korea suspended nuclear and missile tests and leader Kim Jong Un vowed steps towards denuclearization at a U.S.-North Korean ... (full story)