A new Section 301 investigation into the economic impacts of Chinese subsidies could provide the Biden administration a pathway to retooling the U.S. approach to China, including adjustments to tariffs on Chinese goods imposed by President Trump, but quantifying those impacts could be a herculean task, according to China analysts. Bloomberg and others on Friday reported that the administration is considering a probe of Chinese subsidies under Section 301 of the Trade Act of 1974 -- the same tool the...