The former civilian head of the NATO alliance has warned that some Eastern European states are prepared to send their soldiers to Ukraine if the bloc does not make significant pledges to Kiev at an upcoming summit. Anders Rasmussen, former NATO secretary-general and a current adviser to Ukrainian President Volodymyr Zelensky, is touring Europe and Washington to gauge the level of support Kiev should expect at the Vilnius summit in July. “I think the Poles would seriously consider going in and assemble a coalition of the willing if Ukraine doesn’t get anything in Vilnius,” he said. “We shouldn’t underestimate the...