http://www.mpp.org/arrests/fas61699.html
It's a myth.
According to the 1997 BJS prisoner surveys, 16,435 state prisoners and 8,150 federal prisoners were incarcerated for "marijuana only" offenses. Adjusting for the June 30, 1998 prisoner counts yields estimates of 17,600 state prisoners and 10,000 federal prisoners incarcerated for offenses involving only marijuana, for a total of 27,600 "marijuana only" prisoners.
About a million people a year are busted for possession. Less than one percent of them will evevr do time. The prison system makes its money of black teenager selling coke not middle class white kids smoking pot.
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