Articolo tratto da The New York Times online By THE EDITORIAL BOARD
President Trump seems to have absorbed at least one piece of advice from Barack Obama: North Korea’s nuclear program is a problem in urgent need of a solution. That was driven home on Tuesday when the North tested a missile that appeared to be capable of striking Alaska.
Mr. Trump may also be learning another lesson, that he can’t rely on China alone to force North Korea to rein in its nuclear program. What he hasn’t grasped is that a solution will eventually require direct dialogue with the North.
Mr. Trump has long insisted it is up to China, the North’s main food and fuel provider, to force North Korea to abandon its nuclear program, with its dozen or more nuclear weapons. And after a meeting with President Xi Jinping at Mar-a-Lago in April, Mr. Trump seemed confident that China would do so. But the intervening weeks have proved that China remains reluctant to exert the kind of pressure