Medical Marijuana Is Giving Activists a Chance to Show How a Legitimized Pot Business Can Work. Is the End of Prohibition Upon Us? When Irvin Rosenfeld, 56, picks me up at the Fort Lauderdale airport, his SUV reeks of marijuana. The vice president for sales at a local brokerage firm, Rosenfeld has been smoking 10 to 12 marijuana cigarettes a day for 38 years, he says. That's probably unusual in itself, but what makes Rosenfeld exceptional is that for the past 27 years, he has been copping his weed directly from the United States government. [continues 7734 words]