Stuttering's cause has long been a mystery, but it has frequently been diagnosed as a psychological problem.

VOA: standard.2010.02.11

Like a good doctor, James had diagnosed my problem, then fixed it.

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But the Administration and the Fed still haven't diagnosed the problem.

FORBES: Greenspan Et Al. Still Don't Get It

Schumpeter got that wrong, Manne says, but he diagnosed a serious problem that insider trading could fix.

FORBES: The Solution To Insider Trading Problem? Legalize It