Donald Trump’s drive to secure peace in Ukraine must not let Vladimir Putin off the hook for war crimes committed by Russian forces, a top EU official has warned, effectively setting a new red line for a deal. In an interview with POLITICO, Michael McGrath, the European commissioner for justice and democracy, said negotiators must ensure the push for a ceasefire does not result in Russia escaping prosecution. His comments reflect concerns widely held in European capitals that the original American blueprint for a deal included the promise of a “full amnesty for actions committed during the war,” alongside plans...