When the secretary of state, Antony J. Blinken, pressed China this weekend to ditch its support of Russia’s war in Ukraine, he was pushing up against a red line now firmly entrenched in Beijing.
The Chinese foreign minister, Wang Yi, doubled down on his country’s position, retorting that Beijing was neutral and lashing out at the United States for “China phobia” and policies that offered “a dead end” with no way out.
The standoff,…