Tensions between North Korea and the U.S. are worsening after Chairman Kim Jong-un stated relations have “reached a critical point” due to “bad faith” actions taken by the U.S. at a recent summit, while the future of relations “entirely depend” on the U.S. In reality it’s been economic pressure from the Chinese government – which represented 76.0% of global bilateral trade with North Korea in the 12 months to Oct. 30 – that have driven North Korea to negotiations so far. China has kept pressure on North Korea with bilateral trade h...