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"Farhad Manjoo of Salon" is cited in the Acknowledgments as one of the people to whom Mark Crispin Miller "owe[s] an incalculable debt of thanks".
So maybe Joan Walsh didn't know this when she assigned the book review to Manjoo; Manjoo should have seen it and should have refused the assignment.
That he took the assignment anyway shows that his journalistic ethics are, shall we say, thinner than a butterfly ballot.