Source: Kristen Wyatt, WRAL, 2/3/17

North Carolina wants to know if marijuana could one day replace tobacco as a cash crop. Louisiana is wondering how pot holds up in high humidity. And Washington state has questions about water supplies for weed. 1 Colorado agriculture officials this week briefed officials from about a dozen states — some that have legalized weed, others that joked their states will legalize pot "when hell freezes over" — on the basics of marijuana farming and swapped stories about regulating a crop that the federal government still considers illegal. 

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