"Are the sovereign states at the mercy of the federal executive's refusal to enforce the nation's immigration laws? A good way of answering that question is to ask: Would the states conceivably have entered into the union if the Constitution itself contained the court's holding? If securing its territory in this fashion is not within the power of Arizona, we should cease referring to it as a sovereign state. ... To say, as the court does, that Arizona contradicts federal law by enforcing applications of federal immigration law that the president declines to enforce boggles the mind."
Judge Scalia, boggled and emotional