CommentaryHow worried should we be about China’s economy? According to China expert Daniel H. Rosen, the answer is very.Rosen, an author and academic, warns readers that the end times for the world’s second-largest economy are fast approaching. Is Rosen right? And if so, what would a collapsing China mean for the rest of the world, especially the United States?When it comes to discussing China, there appears to be two schools of thought. Let’s call them System 1 and System 2.Disciples of System 1 view China as an unstoppable juggernaut, a geopolitical great white shark that will eventually devour everything in...