With recreational marijuana on the horizon, how could New Yorkers expect the culture to change? The push for cannabis regulation and prohibition began in the early 1900s, and really took off in the 1930s. Nick Robertson, an assistant professor of criminal justice at Rochester Institute of Technology, said this was due in large part to propaganda like the film “Reefer Madness.” "If you smoke marijuana, you were gonna go crazy," he said. "You were going to do horrible things, it would destroy your