From Paul Krugman's comments today on Truthout.com

Some people have asked me for reactions to a piece by Alan Greenspan in the latest edition of International Finance on how President Obama’s activism is preventing economic recovery.
I could go through the weak reasoning, the shoddy econometrics that ignores a large literature on business investment and ignores simultaneity problems. But never mind; just consider the tone.
(Continued here: https://www.truth-out.org/alan-greenspan-redemption-and-wisdom-remain-elusive/1302764400)