This Week In Marijuana Business News for the week ended Jan. 31, 2020, with host Nick Thomas.

Headlines include:

• Long lines, high demand cause Illinois adult-use marijuana stores to ration flower, require customer appointments
• About 20% of licensed marijuana companies in California's capital city face temporary closure
• Marijuana information firm Leafly lays off 54
• Executive exodus continues in cannabis boardrooms with Sundial CEO's resignation
• Missouri licenses 192 medical marijuana dispensaries
• Colorado joins hemp states giving up on USDA approval for 2020 season
• As USDA comments close, 30 states face law changes, group warns
• MJBizDaily acquires The Emerald Conference to boost science reach

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