Those who deny that germs cause disease shouldn’t call their opponents anti-science. But that’s exactly what HBO comedian and germ-theory-denier Bill Maher routinely calls Republicans to hearty applause.

The core trait of a scientific mind is that when its commitments clash with evidence, evidence rules. On that count, what grade do liberals deserve? Fail, given their reaction to the latest evidence on universal health care, global warming and universal preschool.