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Herbert Hoover

"The central difficulty during my term as President was, obviously, the worldwide ""Great Depression."" Domestically it first appeared in late 1929, eight months after my inauguration, and continued...

Thomas DeGregori

Millions of lives have been saved from malaria and typhus-two of the world's greatest killer-by DDT, a chemical that anti-technology groups in the United States managed to get banned. Yet these same...