At the beginning of the war in Ukraine, President Biden told the country’s president, Volodymyr Zelensky, that he could not have American precision missile systems. The White House feared they could tip Russia into reaching for its tactical nuclear weapons.
Then he allowed them.
The same dynamic infused debates over providing tanks several months ago. Now Mr. Biden, who in February rejected F-16 fighter jets as unnecessary, met in Hiroshima on Friday with leaders of other major democracies…