There’s no way to tell what his support is among blacks. These primary polls have tiny samples and the sample becomes statistically meaningless when you look at that small a slice of it. We do know for a fact Trump loses in many polls against Hillary/Sanders and Cruz does better than him in every single one. As a hispanic, Cruz will do much better with the hispanic vote than the guy who equated Mexicans with rapists.
You trot out all of the Rat talking points right on cue.