2019 was a great year for cannabis. But, for the people who track these goings on, 2020 is shaping up to be an even more momentous year for legalization and policy reform. A handful of state legislatures are scheduled to consider legalization, and voters in up to 10 states are likely to face a November ballot question about medical and/or adult use. Here’s an overview from Forbes about the states to watch in 2020.