Germany has agreed to provide sophisticated battle tanks to Ukraine, and the United States will follow suit.

Germany cleared the way for Europe to send dozens more battle tanks to Ukraine on Wednesday, and Washington was prepared to make a similar statement — actions lauded by Kyiv as a potential turning point in the war and decried by Moscow as escalation. Kyiv has been begging for months for Western main battle tanks to provide its soldiers with more firepower, protection, and mobility to break past Russian defense lines and even swoop throug....