The #NeverTrump hashtag has become very popular, especially with the conservative cool kids but I believe it has probably already reached its high water mark or will soon. It's March 1st today and as someone who has usually picked the most conservative candidate in previous Presidential contests, I'm very familiar to losing and the emotions that go with it. Last go around, on April 25, 2012, I wrote "Screw the GOP, they don't seem to want my vote anyway" in which I quit the GOP and endorsed Gary Johnson. Let's just say that way of thinking didn't survive to November and by then I was very pro-Mitt Romney (at least in a race vs. Obama). Once the heat of the moment passes, you think about things in a more practical way like "do I really want the Democrats in office for another four years" and suddenly you don't hate the target of your hatred so much anymore. So this natural progression is probably enough to doom #NeverTrump anyway but there is another reason why I think it is doomed. Marco Rubio.
I know Marco Rubio has been attacking Trump on a very personal basis in the last week but at some point he is going to realize that he isn't going to win the nomination and if Trump is the one winning, he will go begging to the Trumpster to be his VP no matter what he says. Why would he do this? Because he has no other choice. He already said he won't be running for re-election to the Senate and probably wouldn't win if he did (he only has 31% of the Florida electorate viewing him favorably according to PPP Polling). Those numbers also indicate that he probably couldn't be elected Governor in 2018 either. So if he wants to stay in elected politics, being Trump's VP will be his best option (and Trump will love to have Rubio crawl back to him begging).
It just seems so inevitable that he will betray #NeverTrump just like he betrayed all those voters who went with him because he claimed to be anti-amnesty. And once he does so, all the establishment opposition to Trump will melt away as how can they go against their golden boy Rubio, the man next in line to be President? Sure, there will be some refuseniks but it will probably be about the same number of people who didn't vote for Mitt either.