Richard Nixon on marijuana legalization via antisemitism:

I mean one on marijuana that just tears the ass out of them. I see another thing in the news summary this morning about it.

You know it's a funny thing, every one of the bastards that are out for legalizing marijuana is Jewish. What the Christ is the matter with the Jews, Bob, what is the matter with them?

I suppose it's because most of them are psychiatrists, you know, there's so many, all the greatest psychiatrists are Jewish.

By God we are going to hit the marijuana thing, and I want to hit it right square in the puss ...

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Yes, he recorded all his White House conversations.
http://www.csdp.org/research/nixonpot.txt