INDIANOLA, Iowa -- Rep. Ilhan Omar, speaking at an event for Sen. Bernie Sanders on Saturday, made the shockingly dishonest claim that siphoning away just $20 billion from the defense budget would allow the federal government to provide health coverage for “every single uninsured American.” The real number is not isn’t even close. In a speech warming up the crowd for Sanders, Omar explained, “I believe, like Bernie, our foreign policy is domestic policy. We currently spend $700 billion in funding endless wars, and wasteful Pentagon spending, which is more than half of all discretionary spending. Do you know what...