A senior American lawmaker says the U.S. does not want to cut economic ties with the world’s second-largest economy but seeks a level playing field so that American companies can compete freely. Senate Majority Leader Chuck Schumer is leading the first congressional delegation to China since 2019. The trip comes amid a sharp deterioration in relations between the two countries and as Chinese and American officials try to lay the groundwork for a possible meeting between Presidents Joe Biden and Xi Jinping in November. Schumer also accused Chinese companies of fueling the fentanyl crisis...