I totally disagree. In 08 and 12, there was no way on earth would there be crossover votes...and there wasn't.
We have a limited field of candidates to choose from. I have come to the conclusion, that any candidate who has chosen to make politics a career, to make politics his sole source of earning money; is in nature a poor statesman.
Someone who is a career politician, by definition... is in it for the money.
It is the sole reason they seek office, it is what they do for a living.
From the field of candidates that we are given,the only one who does not need the job that can win the general, like it or not, it would be one Donald Trump.
It really is that simple.
Trump is a politician., He admitted he gave money to Democrats to get them to do what he wanted. His real estate business was built on big government cronyism.
You are making the same argument. McCain/Romney/Trump is so liberal they will get tons of Democrat votes, because they know who the real Democrat is!
At least we knew McCain or Romney would not switch parties. There is every reason to believe Trump would.