Really, guess none of them have heard of Dred Scott v. Sandford.
And in fact that same crowd will never let you hear the end of the folly that was chattel slavery baked into the original Constitution (oh we know... it was those dastardly Christians who wished it in there... surely those noble Muslims would have never wanted it... barfffff).
And Cruz has a great point, why the sudden care here for the niceties of law.