During a closed-door meeting with business leaders on Thursday, Treasury Secretary Janet Yellen stressed that the United States wants to work with China on urgent global challenges, a person familiar with the matter told CNN. The comments by Yellen signal increased efforts by US officials to lower the temperature in the complicated and intertwined relationship between the United States and China, the first- and second-biggest economies in the world, respectively. The huddle with CEOs took place in Washington, where Yellen met with the board of the US-China Business Council, a group that promotes trade between the ... (full story)