Why China Should Fear Donald Trump's Tweets

President Trump’s two-part tweet Saturday, coming after his June 20 tweet, signals nothing no less than a reversal of four decades of U.S. China policy. At about the same time, America’s ambassador to the U.N., Nikki Haley, indicated the time for diplomacy with regard to North Korea is at an end. Moreover, with Senator Dianne Feinstein’s comments Sunday, the frustration with China is now evident across the U.S. political system.