Rich Lowry: Immigration restriction is not hate

President Donald Trump’s immigration agenda has always been considered exclusionary and prejudiced by progressives; now they consider it tainted by mass murder.The El Paso massacre, carried out by a white nationalist waging a lunatic war against Hispanic immigration, is being used as a bludgeon against Trump and immigration restriction more broadly.After years spent trying to rule immigration restriction out of bounds, the left is doubling down on ruling immigration restriction out of boun