The commander of NATO is insisting that the West do more to protect Ukraine from a possible Russian invasion. But the Obama administration has other plans. Late last month, as the world was still reeling from Russia’s annexation of Crimea, the Supreme Allied Commander of NATO was warning Congress that Moscow was preparing to make another move. During classified briefings on March 26 and March 27, Gen. Philip Breedlove painted for members of the House Armed Services Committee a bleak picture of Russia’s actions—and warned that the United States was not taking steps it could to help Ukraine better defend...