He's also on substack:
https://paulkrugman.substack.com/
And before that, he was a columnist for the New York Times for 25 years.
https://www.nytimes.com/column/paul-krugman
And winner of the 2008 Nobel Prize in economics.
And the subject of this 2009 early-YouTube "viral" song: https://youtu.be/XOYAuk809fY?si=sFuFdmrF0cizn5W5
(Somewhat embarrassed to admit this is how I learned of Paul Krugman)