James G Watt, who was Secretary for the Interior for a couple of years.
Bill Moyers was forced to apologize publicly when he claimed that Watt made the statement "After the last tree is felled, Christ will come back". In fact, one of Watt's detractors said it, in a caricature of his views.
That just goes to show that if you sling enough feces, some of it sticks.
It does not, however, change my opinion of what Rush said.
There are true loonies who believe a few nuclear bombs could change the earth's orbit. Rush makes fun of them, and rightly so.
It is, however, possible to make the environment of the earth less friendly to humans, just as it is possible to let your kitchen fill up with garbage.