Yes, Jim Manzi, one of the most effective, data-driven critics of cap and trade is described thus on Mark Levin's Facebook page and all Levin's fans congratulate him for smacking down a "liberal" and an "eco-Marxist"!
So there you have it. When someone like Manzi is a left-wing zealot, then the right has simply ceased to be in any way rational. The circle has closed.