While I greatly appreciate the efforts of President Xi & China to help with North Korea, it has not worked out. Trump's tone drastically shifted in the run-up to the summit with Chinese President Xi Jinping in Florida. He toned down threats to upend the US "One China" policy, which acknowledges Beijing's claim to Taiwan. Kushner, who is heavily involved in foreign policy, speaks frequently with the ambassador. "The body language was clear: China is still not willing to see North Korea as a strategic problem.
Source: Times of India July 01, 2017 10:32 UTC