The state Supreme Court could determine whether companies can fire pot-smoking workers.
Judges are hearing arguments from the attorney of a woman who failed her company's drug test because she smokes medical marijuana to deal with Crohn's Disease.
Though legal in Massachusetts, medical marijuana remains a Schedule 1 narcotic on the federal level.
Lawyers for the company Advantage Sales and Marketing argues it's unreasonable for the company to get rid of its drug free policy for one employee.
(Marvin Joseph/The Washington Post via Getty Images)