In this Thursday, Feb. 6, 2014 photo, Meg Sanders inspects drying marijuana at her grow house in Denver. The agriculture tax questions facing the marijuana industry are the latest wrinkle for the states flouting federal drug law and trying to establish commercial recreational pot industries. The states have settled how to tax marijuana once it's dried and ready to smoke. But they're still debating how to tax it while it's growing. (AP Photo /Ed Andrieski)