"For every complex problem" (Mencken?)

[bapopik at AOL.COM]

This came up today on Google Answers.
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http://answers.google.com/answers/threadview?id=512538
Question
Subject: Research Quote: An answer that is clear, simple--and wrong
Category: Reference, Education and News
Asked by: jeffbhc001-ga
List Price: $15.00 Posted: 21 Apr 2005 19:20 PDT
Expires: 21 May 2005 19:20 PDT
Question ID: 512538

I understand that the American newspaperman, H.L. Mencken said: "For
every complex problem, there is an answer that is clear, simple--and
wrong."

What is the reference for this?  Did he really say this?
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(NEWSPAPERARCHIVE)
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   Daily Herald Tuesday, March 25, 1980 Chicago, Illinois   ...many tests. H.I. Mencken once EVERY COMPLEX PROBLEM there is a simple so.....members up for re-elec- tion each and EVERY year. The message about stressing..     ...   Daily Herald Sunday, February 24, 1980 Chicago, Illinois   ...H.L. Mencken's dictum that for EVERY COMPLEX PROBLEM facing us there is a.....with the practicality of revealing EVERY ad- mission test. They contend..     ...   Star Herald Wednesday, February 18, 1981 Scottsbluff, Nebraska   ...How to fight fires Somebody EVERY COMPLEX PROBLEM there is a simple..     ...   The Syracuse Herald Sunday, February 24, 1980 Syracuse, New York   ...H.L. Mencken's dictum that for EVERY COMPLEX PROBLEM facing us there is a.....with the prac- ticality of revealing EVERY admission test. They contend that..