"Samuelson's column perches at (d) but he manages to make a backward swipe at (b) and (c) when he writes,
I'm unqualified to judge between those scientists (the majority) who blame man-made greenhouse gases and those (a small minority) who finger natural variations in the global weather system. But if the majority are correct, the IEA report indicates we're now powerless.
Bravo! Well played, sir!"