Wang Yi Raises Taiwan Issue in Call With Marco Rubio

China and the U.S. should prepare for "important ​high-level exchanges", Chinese Foreign Minister Wang Yi said in a ‌call with U.S. Secretary of State Marco Rubio on Thursday, while warning the Taiwan issue is "the biggest point of risk" for relations. "The Taiwan issue ​concerns China's core interests," Wang told Rubio, adding that ​the U.S. should "keep its promises and make the right ⁠choices in order to open up new space for China-U.S. cooperation ​and make due efforts for world peace", an official summary of the ​call released by Wang's ministry showed.