Dangerous lunatics in politics

There are, it seems, quite a few of them. In this case, we are talking about Robert Kennedy Jr who is found to have said this:

Those who contend that global warming “does not exist,” Kennedy claimed, are guilty of “a criminal offense — and they ought to be serving time for it.”

He knows nothing about the climate, he knows nothing about constitutional protection, and he knows nothing about the problems that beset the US amongst which global warming must be next to last.