erin spellman 4/20 _00002821
erin spellman 4/20 _00002821

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    Fertilizer used to snuff out pot smoking

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Fertilizer used to snuff out pot smoking

CNN's Erin Burnett talks to Jim Spellman about efforts at the University of Colorado to extinguish smoking on 4/20.

Fertilizer used to snuff out pot smoking

CNN's Erin Burnett talks to Jim Spellman about efforts at the University of Colorado to extinguish smoking on 4/20.