And they will do their best (or worst) to make sure that is what happens.
They don't have the power to do that. 2016 is not 1964. We have the Internet, Twitter, Facebook etc, plus Talk Radio, Drudge etc.
Plus Goldwater was in some ways running against an assassinated charismatic, young president(JFK). This time it's the Democrats who will have a frumpy, highly disliked, super corrupt old woman, and it's the Republicans who will have the super smart, young, charismatic candidate in Ted Cruz. He will CRUSH Hilary.