In the words of the FBN Commissioner Henry Anslinger:
"Most marijuana smokers are Negroes, Hispanics, jazz musicians, and entertainers. Their satanic music is driven by marijuana, and marijuana smoking by white women makes them want to seek sexual relations with Negroes, entertainers, and others. It is a drug that causes insanity, criminality, and death-The most violence-causing drug in the history of mankind."
And you wonder why it unfairly affects minorities today...
It was these false and racist statements that he used to convince Congress to outlaw a plant which was perfectly legal and grown almost everywhere like George Washington's garden, and every garden in 1620's Jamestown
Marijuana users at best represent a +25 million voter block. Keep this in mind at reelection, Mr. Obama.