Seems unlikely

The Left Regrets Making Scott Walker A Thing

I can see the attraction of the statement, but the article says nothing of the sort. It also assumes a fact not in evidence, that "the Left" is capable of such self reflection. Right now I think the Left is in full destroy mode (along with the Manhattan Media, but of course I repeat myself).

Now, if he is elected president, I'll believe it. Surely it will strike them then that in hindsight it didn't work out so well. But for now, I'm wondering if this poor writer has an editor, or any ability to separate an idea that attracted him from what is actually on the page.

He's also wrong that Walker is a "surprise" frontrunner. It's entirely predictable, not that he would be, but that any competent analyst would have put him high on the list of possibilities to be the frontrunner. Cruz would be a surprise, only insofar as he has been successfully demonized--more reason to think the Left would have no regrets at this point, because they have every reason to believe their methods work. Perry would be a surprise, but again only insofar as he has dug himself into a hole and is showing indications that he's perhaps not quite solid on conservative principles. Jindal has potential but doesn't seem able to close the deal, and the Paul line seems like it might need a third generation.

Carson, now *that* would be a surprise. For whatever reason, this is not a field where first time amateurs seem likely to succeed.

Other than that, the field is full of nuts like Huckabee and obvious false fronts, retreads of the McCain and Romney variety of apologists who think the thing to do is to apologize for being American. The Dems have that market covered, guys, and even if that happens to be your business model, don't make the mistake of thinking it's a worthwhile appeal. Those guys would have better success calling themselves Democrats and saying they're reaching across the aisle in collecting all their endorsements and fundraising from the usual corporatists.

Update: Let’s stipulate up front that Scott Walker, the governor of Wisconsin, is an odious politician whose ascension to the Presidency would be a disaster. Sure, why not. It's clearly necessary to all that follows, which boils down to "We hate conservatives because they believe Obama is an odious politician whose ascension to the presidency would be a disaster." (Grammar Nazi says "lower case," unless you are an actual fascist, in which case it's upper case, if you know what's good for you.)