"China has great influence over North Korea. And China will either decide to help us with North Korea, or they won’t. Asked what incentive the United States had to offer China, Trump replied: "Trade is the incentive. Tillerson told Yang that the United States would do its utmost to ensure that the meeting had "positive results," the ministry said. Such estimates are notoriously hard to make both because of the scarcity of intelligence about North Korea and uncertainty about how high a success rate Pyongyang might want for such missiles.

Source: Bangkok Post April 03, 2017 18:35 UTC