Commentary Long before the recent rise in tensions, Washington had already edged toward more open economic warfare with China. Several bills have been circulating in Congress–most with bilateral support—limiting American sourcing in China, constraining American investments in Chinese firms, or circumscribing both activities. In addition, the White House has indicated that it is considering executive orders along these lines. If things reach such a point, all might offer ways to punish China for leaning too far in Russia’s direction, though such efforts would not hurt China as much as some proponents think. These efforts would constitute an unprecedented expansion of government oversight in American economic activity. They would affect both importing and investing. It would take too much space to itemize all the bills now circulating in Congress and orders contemplated by the White House. Still, they are grouped into two sorts: those that focus on reducing supply chain vulnerabilities …