If we've learned anything this year, it's that marijuana is a huge cash cow. Stoners are rejoicing, businessmen are laughing all the way to the bank, and state legislatures are being forced to seriously consider the value of legalizing weed for tax and revenue proposes. Make no mistake, 2014 is the year of ganja. So, as America prepares to celebrate the annual reefer holiday of 420, take a look back at the major headlines that have helped make 2014 a monumental year for marijuana.

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