Political analysis indicates that China is hoping Joe Biden wins the U.S. presidential election. His campaign says fully decoupling from China, a frequent Trump threat, is unrealistic. While the Democrats fear Russian interference in the election due to that country’s support of Trump, they might welcome some Chinese measures that would greatly undermine the President’s re-election. Anti-Trumpers would consider the enemy of my enemy to be worth the intervention.  Mr. Trump’s route to re-election is already fraught but his most solid base, rural America and farmers, are highly dependent on the commodity purchases that Beijing promised to President Trump. Those sales have been increasingly brisk, but sales are not ship...