Explainer: What a roll-back of Trump tariffs on Chinese goods may look like

(Reuters) - The latest bargaining chip in U.S.-China negotiations to cool a 16-month-old trade war is whether President Donald Trump would roll back tariffs on hundreds of billions of dollars' worth of Chinese imports, and how soon. The Trump administration began imposing the tariffs in July 2018 on industrial components and technology goods from China. After Beijing retaliated with higher duties on U.S. farm goods, Trump struck back with more tariffs - many already enacted, some still..