LITTLE ROCK, Ark. (AP) — Law enforcement groups from around Arkansas and the state's chamber of commerce say they're opposing a measure on next month's ballot that would legalize medical marijuana.State drug director Fran Flener joined law enforcement officers and other officials on Friday to speak out against the proposed initiated act. Flener and other officials said they were worried that legalizing the drug for medical purposes would lead to more drug abuse, especially among teenagers and children.The head of the state chamber of commerce also announced that his group is opposing the proposal.Flener said she and the groups do not plan to run any television advertisements or other paid efforts to oppose the measure. Instead, they plan to speak out against it in communities throughout the state.Copyright 2012 The Associated Press.