Regular readers of this column know that I have not been a fan of President Donald Trump’s foreign policy in his second term. From threatening to seize Greenland and annex Canada, unilaterally raising tariffs sky-high to the fiasco of the Iran war, Trump has been reckless, chaotic and deeply destabilizing. But he might well turn out to have the right instincts — and perhaps even the right policy — in one crucial arena: the U.S.-China relationship.