Comment: Read a few of his blog posts

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In reply to comment: I dont understand the article. (see in situ)

Read a few of his blog posts

Like the one above where he goes after Ron Paul and
Austrian School economics and you'll get a feel for how
Krugman operates.

This is the first of three blog posts by an economic historian
Niall Ferguson that gets into it in more detail:

http://www.huffingtonpost.com/niall-ferguson/paul-krugman-eu...

Krugman has been seemingly untouchable for a long time, his leaving Princeton
precipitously in a way that seems to imply "don't let the door hit you in the ass on
the way out" terms is newsworthy - but it's still just speculation as to why Princeton
cut him loose.