"Franklin Delano Roosevelt, when he hired the famed stock manipulator Joseph P.
Kennedy as the first head of the S.E.C., said, 'Set a thief to catch a thief.' [The Interior Dept.'s Minerals Management Service's] modus operandi was more like setting a thief to help other thieves get away with the loot." - James Surowiecki, in his "New Yorker" piece
Source:
http://downwithtyranny.blogspot.com/2010/06/regulation-isnt-obstacle-to-thriving.html
