The Trump administration’s cascade of actions taken against Beijing represent a new chapter in U.S.-China relations, one marked by increasing confrontation and few efforts to de-escalate the tensions. Business leaders, scholars and others involved in U.S.-China relations say that while the administration’s moves clearly have an electoral component—the president is campaigning on being tough on China—they go well beyond the 2020 election. Previous confrontations between the two nations have been limited as they sought…