There's little irony. Krugman has publicly changed his opinion on several items over the years, and isn't an advocacy organization or a think tank. Cato's raison d'etre is the promotion of "negative liberty" to the exclusion of virtually everything else. I regularly read Cato, and I even agree with some of their work (things like replacing the welfare state with a GBI, free speech absolutism, etc.), but I still consider them a biased source even if their views sometimes dovetail with my own.

It'd be different if you cited credible right-wing (economic) sources, but there are few left since the intellectual foundations of much of what passes for economics on that side of the divide (a chaotic Reagan-Thatcherism, a right-of-center Neoliberalism (older FT/Economist-style), or a wild-eyed goldbuggery) have fallen apart in the modern world. It's not symmetric at this juncture.

http://www.bloombergview.com/articles/2015-06-03/economics-t...

We can stop the discussion, sure. Let's do that.