Progressives (Liberals)

Of course not. Other significant factors must also be in play. Here in Canada, one of the two parties which had held power over more than a century (Progressive Conservatives) dissolved in 2003 following a serious electoral loss. Four years prior, no one saw this coming.

If Sanders is the nominee and looses the election, his loss will not be as large as what happened in Canada but the surrounding circumstances are now very much different. Four more years of Trumpian/modern GOP policies will further every factor pushing towards one-party-rule designed to last into the foreseeable future:

Robert Gentel wrote:

I don't think even he would be stupid enough to do the things he says on trade. It would destroy the economy. That is something that would legitimately cause a revolution.

Mr. Trump is setting himself up as someone who is going to do what he says, as opposed to a typical politician who will pander and then change their minds.
I think he really does mean to do what he says.

It's going to be worse for the Democrats than for the Republicans. Trump is going to reshape the Republican Party to fit his views, but I'm upping my electoral predictions now to say that the Republicans are guaranteed to win the next five presidential elections.

It'll be Trump. Trump in 2020 as well.
2024, 2028, and 2032 will also see Republicans elected president.

I'm basing it on logic, not on wishful thinking. My logic may be wrong. I don't claim infallibility. But it is more than wishful thinking.

Let's compare notes after each of the next five elections. Maybe I'll be wrong. It's happened before. But I've also been right before. We'll see.

I'm reminded of Asimov's Foundation trilogy, at the points when the remnant of an old order that is about to be swept away is still acting like they have a future.
Poignant.
Oh well. Let's get on with the future.

I do understand that I could be wrong. The odds are pretty good though that I'm completely right.

Hawkeye saw Trump coming long before the first votes were cast.
I didn't see it until the New Hampshire primary results were announced, but have consistently predicted ever since that point that Mr. Trump is going to smash the Democrats so hard that they will be out of the White House for a good 20 years.

The right are about to shut the Democrats out of the White House for 20 straight years.
There are some old school Reaganites who don't like how Mr. Trump is going to reshape the Republican Party, but once the Democrats have been electorally obliterated I suspect most conservatives will come around to liking Mr. Trump a lot more.

My prediction is not in any way based on psychic ability. What I am doing is like saying "If you drop a baseball off a cliff, it will fall and hit the ground at the bottom." No psychic ability is involved. It's just straightforward logic and reason.

It's too late. There was only one shot at defeating Mr. Trump, and that was getting behind Mr. Rubio from New Hampshire on.
All this panic from the establishment at this point is just closing the barn door after the horses have already escaped (is that how the saying goes?), and is just doing pointless damage to the party.
Mr. Trump is going to be our next president, and as such he will have the power to reshape the Republican Party to fit his values. The Right might want to start dealing with that, because it's going to happen whether they like it or not.
It'll be much worse for the Left. They are going to be out of power for a good 20 years.

We'll see if I'm right. I actually have two predictions now.
First, that the 2013 gun control debacle will sweep the Republican candidate into office.
And second, that if Trump becomes president, he will reform the Republican Party into something that will dominate for 20 years minimum, with the Democrats only eventually winning again when they start nominating "Trump-lite" candidates (sort of like Bill Clinton won by becoming "Reagan-lite").
If my first prediction fails, my second prediction will never be tested. But both predictions look sound to me so far. I remain confident in both.

I'll never understand why people are embarrassed to be wrong. If I'd been wrong I'd simply shrug and post "I guess I was wrong this time."
Perhaps I'd also do a post-mortem of my prediction to try to see where I went wrong, but otherwise I'd move on pretty quickly.
In fact, since my prediction was (and is) that we're at the start of 20 years of Republican rule, there is still plenty of opportunity for me to be wrong. But if my 20 year prediction does turn out to be wrong, no one should be surprised if my only reaction is to shrug and maybe do a post-mortem of my prediction.

Sanders is "reinventing US politics" - It would be more accurate to say Trump has done so.

Bloomberg is shockingly horrible at this debate thing.

But a lie Bernie tells about his health records - very pertinent for the 80-year-old front runner who just had a heart attack....crickets.

They defend him when he’s wrong just as rapidly as the Trump crazies.