We have known for years that marijuana prohibition laws disproportionately harm communities of color. A 2013 ACLU report analyzing FBI arrest data found that black Rhode Islanders were nearly three times more likely to be arrested than whites for marijuana possession from 2001 to 2010. State Representatives Anastasia Williams and Marcia Ranglin-Vassell have introduced legislation (H 5795, H 6069, H 6070, and H 6073) to address the disparate impacts of marijuana prohibition, and tomorrow afternoon,…