06/20/2010 05:12 am ET | Updated May 25, 2011

Ryan Grim Discusses Origins Of 4/20, Growing Efforts At Pot Legalization (VIDEO)

Huffington Post political reporter Ryan Grim appeared on MSNBC this afternoon to discuss the true origins behind the now legendary pot smoking celebration that is known as 4/20, as well as the growing efforts around the country to legalize marijuana.

For more information on 4/20, click here. For more information on the increasing efforts of activists in many states to have pot legalized, click here. Be sure to check out Grim's book, This Is Your Country On Drugs: The Secret History of Getting High in America.


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