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Here’s Robert Kennedy in a 1968 campaign ad that, as I wrote in 2011, shows how quickly the rot seeped into the post-JFK left. Compare RFK’s rhetoric as he tells a classroom of young kids that they are doomed to spend their adult lives trapped in a Soylent Green-style eco-apocalypse, with the can-do optimism of his brother, and it was clear that the end of the New Frontier was well in sight.

That was from my post titled “Welcome Back My Friends, to the Malaise that Never Ends,” which tracked the left’s increasing sense of lethargy from their disillusionment when it became obvious that the Great Society would fail, to their freakout over the election of Richard Nixon in 1968, to the Jimmy Carter “Malaise” speech of 1979, to Occupy Wall Street.

And the malaise goes on today! Here’s RFK Jr. revealing his “climate rage,” as our YouTube caption writer neatly described his freakout, when PJTV’s Michelle Fields asked him if he would give up his cell phone and other electrically powered devices made from a petroleum derivative (plastic) in order to lead by example. His rambling statements about the Koch brothers running the entire country from dog catcher to Congress and the cognitive dissonance that allows him to recommend “free market solutions” to the environment — which consist of all but banning automobiles — is a sight to behold:

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Tom Wolfe popularized the phrase “the dark night of fascism is always descending in the United States and yet lands only in Europe.” Similarly, the enviro-apocalpyse has been continuously been this close to descending upon the world, but as the above clips featuring RFK and RFK Jr. 46 years apart illustrate, despite a half century of Chicken Littles predicting the world will come to an end, the sky never quite seems to fall.

Perhaps it’s time for the left to update its century-old playbook on agitating the masses and enter the 21st century along with the rest of us, especially as so many examples of their not-so-final countdowns keep piling up.

Related: Mark Steyn spots “The Barbra Streisand Effect on Steroids.”