Once again, the radicals on the left -- the talking tools of the Marxists -- are at it again, taking to task anyone and everyone in the world who won't bend to environmental regulation that restricts almost all human activity. This time, it's Greta Thunberg in Milan and Alexandria Ocasio-Cortez on CBS. When will these Green nuts quit? Likely: Never. Environmentalism is far too profitable for the left to just let it go. James Taylor, president of the free-market Heartland Institute, discusses.