According to the website of his employers, William Wehrum “is well known for his thorough grasp of environmental issues, gleaned from his training as an environmental engineer and prior work in the EPA.”

Yet, he can’t or won’t answer even the most basic questions about the scientific basis for one of the most pressing risks facing human beings today.

This, folks, is not normal.

But, it is all too familiar.

It’s Thursday, October 12, 2017.

I am on Twitter at @DecisionLab.