And make no mistake about it, Corbyn’s Labour party platform was a progressive, democratic-socialist fever dream. The Labour party promised massive spending, free stuff, and economic revolution. It pledged to “nationalize utilities, railways, and the postal system, offer free university education, increase property taxes and regulation, and build hundreds of thousands of new homes at government expense.”…

The warning for U.S. politics should be obvious. Brexit may have been the topline issue, but what propelled Boris Johnson’s Conservative landslide was a full-throated rejection of Labour’s ambitious Leftism—including its tolerance of toxic anti-Semitism.

This (cough, cough) is what we’ve been warning Democrats about.