Legal marijuana businesses in Colorado made more than a billion dollars in sales during the first 10 months of 2016, exceeding sales numbers from last year. The Cannabist reports: Recreational and medical cannabis shops in America’s first 420-legal state have sold nearly $1.1 billion of marijuana and related products in 2016, according to the new October data from the state’s Department of Revenue. When 2015’s year-end marijuana tax data was finally released in February, Cannabist calculations showed…