The U.S. and China are barreling toward a complete decoupling of their economies that could be devastating to American competitiveness unless the U.S. changes course and moves away from broad restrictions that go beyond national security concerns, according to new study commissioned by the U.S. Chamber of Commerce. The report , released on Wednesday by the Chamber’s China Center, was authored by the Rhodium Group’s Daniel Rosen and Lauren Gloudeman. In the last few years, restrictions on commerce between the...