The United States and Britain pledged nearly €1.4 billion in additional aid to Ukraine on Wednesday. During a visit to Kyiv by their top diplomats, Ukrainian officials renewed their pleas to use Western-provided missiles against targets deeper inside Russia. US Secretary of State Antony Blinken announced more than €635 million in humanitarian aid, while British Foreign Secretary David Lammy confirmed that his country would provide another €709 million in assistance and loan guarantees. Much of the effort was aimed at bolstering the energy grid that Russia has repeatedly pounded ahead of an exp…