This is the racist premise that liberals would love us all to believe. That Republicans by their nature abandon Hispanics and Blacks, ceding them to the Democrats. Unfortunately many hear buy into it and get alarmed with rising percentages of these subgroups.
Instead of writing off huge swaths of the nation, clinging to a declining white demographic base, perhaps the Republicans would do better to reach out to Hispanics and Blacks and show them that there is a better way. In other words, bring them aboard!
Donald Trump is the first Republican nominee in a long time to recognize this and reach out to them with a positive message. He's had a tough road to hoe what with the media and panicked Democrats trying to paint him as a racist 24/7 (their worst fear is that he will be successful in this). But I'm convinced that once Trump is elected, he will do such a great job for them that if he runs for re-election in 2020, it will be a total blowout with Hispanics and Blacks abandoning the Democrats and coming over to the Republicans.
This will be the way to keep states like TX red and flip states like CA, NY and IL.
I’ve seen him try to appeal to blacks, but haven’t seen him do anything to target hispanics. I know they’re not as monolithic. But if there’s any specific issue important to hispanics or approach that appeals to them, he doesn’t seem to have found it.