I mean, he said I'm somebody who doesn't have
the knowledge about foreign policy when he took a snippet of my answer and selectively edited what I said.
When you speak up
about what your scientific speciality says
about climate change, you are speaking as an expert; when you advocate a particular
policy, estimation of the impact of which requires
knowledge of economics, laws and regulations in
foreign lands, trade and technology trends in addition to your scientific speciality, you are speaking as a citizen, and have no more authority than anyone else.