In the summer of 1940, when Great Britain was fighting Nazi Germany alone, Winston Churchill asked to borrow a few dozen aging American destroyers to defend the English coast from imminent invasion. Churchill wrote to Franklin D. Roosevelt: “Mr. President, with great respect, I must tell you that in the long history of the world, this is a thing to do now.” Today Ukraine is fighting Russia alone. American aid—never timely or sufficient, but enough to help keep Ukraine alive and Russian invaders at bay—is about to run out. U.S. shipments will stop in the next few weeks. Without American artillery, ammunition, missile systems, tanks, armored vehicles, humanitarian aid, or funds for reconstruction, Ukraine will be left to face the Russian onslaught with diminishing odds of survival. The Biden administration has asked Congress to vote for another $61 billion in aid for Ukraine. So far, Republicans are refusing. Members plan to leave D.C. for the holidays on December 15. This is a thing for them to do now. On Thursday, I spoke with two Ukrainian …