I think his point stands broadly regardless of the specific example you take issue with. The heyday of radical left wing terrorism in the US was the 60's and 7

I think his point stands broadly regardless of the specific example you take issue with. The heyday of radical left wing terrorism in the US was the 60's and 70's https://en.wikipedia.org/wiki/Left-wing_terrorism https://en.wikipedia.org/wiki/Left-wing_terrorism